{"product_id":"apex-cartridges-hollow-liner-hl-tattoo-needles","title":"Apex Cartridges - Hollow Liner (HL) Tattoo Needles","description":"\u003ch2\u003e\u003cstrong\u003eApex Cartridges - Hollow Liner (HL) Tattoo Needles\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eGive your outlines a stronger presence with APEX Hollow Round Liner Tattoo Cartridges. Designed for artists who enjoy bold, defined linework, the hollow grouping arranges the needles around an open centre, offering a different feel from a conventional tightly packed round liner.\u003c\/p\u003e\n\u003cp\u003eWhether you are building traditional outlines, shaping lettering or adding structure to an illustrative piece, APEX HRL cartridges give you a dedicated hollow liner option for your setup.\u003c\/p\u003e\n\u003cp\u003eAvailable in 7, 8 and 10 Hollow Round Liner configurations, each using 0.35mm needles. Supplied in boxes of 20 individually packed cartridges.\u003c\/p\u003e\n\u003cstyle\u003e\ndetails.tb-acc {\n  border-top: 1px solid #e6e6e6;\n  padding: 10px 0;\n}\n\ndetails.tb-acc:last-of-type {\n  border-bottom: 1px solid #e6e6e6;\n}\n\ndetails.tb-acc summary {\n  list-style: none;\n  cursor: pointer;\n  display: block;\n  font-weight: 700;\n  padding: 10px 0;\n}\n\ndetails.tb-acc summary::-webkit-details-marker {\n  display: none;\n}\n\ndetails.tb-acc summary:after {\n  content: \"+\";\n  float: right;\n  font-weight: 700;\n}\n\ndetails.tb-acc[open] summary:after {\n  content: \"–\";\n}\n\ndetails.tb-acc .tb-content {\n  padding: 6px 0 12px 0;\n}\n\ndetails.tb-acc p {\n  margin: 0 0 10px 0;\n}\n\ndetails.tb-acc h4 {\n  margin: 10px 0 6px 0;\n}\n\u003c\/style\u003e\n\u003cdetails class=\"tb-acc\"\u003e\n\u003csummary\u003eKey Features\u003c\/summary\u003e\n\u003cdiv class=\"tb-content\"\u003e\n\u003ch4\u003e\u003cstrong\u003eHollow round liner grouping\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eNeedles arranged around an open centre for artists who prefer a hollow liner configuration.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003e0.35mm needle diameter\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eAll three sizes use #12 gauge needles.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eStainless steel needles\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eMade with stainless steel needle points for professional tattooing.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eSafety membrane\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eAn integrated membrane helps prevent ink and fluid backflow towards the machine.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eCheyenne-style fitting\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eCompatible with machines and grips that accept standard Cheyenne-style cartridges.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eIndividually packed\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eEO-gas sterilised and individually blister packed for single use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"tb-acc\"\u003e\n\u003csummary\u003eWhat Is a Hollow Round Liner?\u003c\/summary\u003e\n\u003cdiv class=\"tb-content\"\u003e\n\u003ch4\u003e\u003cstrong\u003eAn open-centre arrangement\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eHRL stands for Hollow Round Liner. The hollow refers to the space at the centre of the needle grouping, not to the individual needle points.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eA different lining option\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe arrangement offers an alternative to a conventional round liner when choosing the feel and character of your outlines.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eChoosing your line weight\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eNeedle count alone does not determine the finished line width. Grouping, taper, machine setup and technique all influence the result.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"tb-acc\"\u003e\n\u003csummary\u003eAvailable Sizes\u003c\/summary\u003e\n\u003cdiv class=\"tb-content\"\u003e\n\u003ch4\u003e\u003cstrong\u003e1207HRL\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e7 Hollow Round Liner – 0.35mm.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003e1208HRL\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e8 Hollow Round Liner – 0.35mm.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003e1210HRL\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e10 Hollow Round Liner – 0.35mm.\u003c\/p\u003e\n\u003cp\u003eEach box contains one selected configuration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"tb-acc\"\u003e\n\u003csummary\u003eCreative Applications\u003c\/summary\u003e\n\u003cdiv class=\"tb-content\"\u003e\n\u003ch4\u003e\u003cstrong\u003eTraditional outlines\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eConsider hollow liners when planning prominent outlines that give a design its structure.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eIllustrative linework\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eBuild contrast between stronger outer contours and finer internal details.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eLettering and graphic designs\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eAn option for artists exploring confident borders and heavier line weights.\u003c\/p\u003e\n\u003cp\u003eSelect your configuration and settings to suit the artwork, placement and your working technique.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"tb-acc\"\u003e\n\u003csummary\u003eSpecifications\u003c\/summary\u003e\n\u003cdiv class=\"tb-content\"\u003e\n\u003ch4\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eAPEX\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eConfiguration\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eHollow Round Liner – HRL\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eAvailable Sizes\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e1207HRL, 1208HRL and 1210HRL\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eNeedle Diameter\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e#12 \/ 0.35mm\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eNeedle Material\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eStainless steel\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eSafety Membrane\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eYes\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eSterilisation\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eEO gas\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003ePackaging\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eIndividual blister packs\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e20 cartridges per box\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"tb-acc\"\u003e\n\u003csummary\u003eHandling \u0026amp; Storage\u003c\/summary\u003e\n\u003cdiv class=\"tb-content\"\u003e\n\u003ch4\u003e\u003cstrong\u003eCheck before opening\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eInspect the wrapper and expiry date before use. Do not use a cartridge if the packaging is open or damaged.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eSingle use only\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eUse a fresh cartridge for each client and session. Never clean or reuse a used cartridge.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eSafe disposal\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eDispose of used cartridges in an approved sharps container according to your studio’s waste procedures.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eKeep unused cartridges protected\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eStore in their original packaging in a clean, dry place, following the instructions on the box.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"tb-acc\"\u003e\n\u003csummary\u003ePackage Includes\u003c\/summary\u003e\n\u003cdiv class=\"tb-content\"\u003e\n\u003cp\u003e1 x box of 20 APEX Hollow Round Liner Tattoo Cartridges in your selected size.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"tb-acc\"\u003e\n\u003csummary\u003eFrequently Asked Questions\u003c\/summary\u003e\n\u003cdiv class=\"tb-content\"\u003e\n\u003ch4\u003e\u003cstrong\u003eWhat does HRL mean?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eHRL means Hollow Round Liner, describing a circular needle grouping with an open centre.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eDoes a hollow liner leave a hollow line?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eNo. The name describes the needle arrangement, not an intended gap in the finished line.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eHow do I choose between 7, 8 and 10 HRL?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eChoose according to your preferred grouping and the line weight you want to create. Test your setup on practice skin when getting familiar with a new configuration.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eCan I buy a mixed box?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThis listing supplies 20 cartridges of one selected size per box.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"tb-acc\"\u003e\n\u003csummary\u003eExplore More Tattoo Cartridges\u003c\/summary\u003e\n\u003cdiv class=\"tb-content\"\u003e\n\u003cp\u003eLooking for a conventional liner? Explore our \u003ca href=\"\/products\/apex-cartridges-round-liner-tattoo-needles\" title=\"APEX Round Liner Cartridges\"\u003eAPEX Round Liner Cartridges\u003c\/a\u003e, or browse the full \u003ca href=\"\/collections\/needle-cartridges\" title=\"Tattoo Needle Cartridges\"\u003eTattoo Needle Cartridges\u003c\/a\u003e\u003ca href=\"\/collections\/needle-cartridges\"\u003e\u003c\/a\u003e collection for more configurations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e","brand":"Tattoo Boutique","offers":[{"title":"1207HRL | 7 Hollow Round Liner 0.35","offer_id":58009228312916,"sku":"APEX-1207HL","price":24.49,"currency_code":"GBP","in_stock":true},{"title":"1208HRL | 8 Hollow Round Liner 0.35","offer_id":58009228345684,"sku":"APEX-1208HL","price":24.79,"currency_code":"GBP","in_stock":true},{"title":"1210HRL | 10 Hollow Round Liner 0.35","offer_id":58009228378452,"sku":"APEX-1210HL","price":24.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0924\/2266\/8628\/files\/website-pic-1-69621eb45e6e6.webp?v=1768038231","url":"https:\/\/tattooboutique.co.uk\/products\/apex-cartridges-hollow-liner-hl-tattoo-needles","provider":"Tattoo Boutique","version":"1.0","type":"link"}