{"product_id":"crosstech-zirconia-adjustment-diamond-bur-iso-390-1-6-mm-4-mm-head-fg-pack-of-5","title":"Crosstech Zirconia Adjustment Diamond Bur ISO 390 – Ø 1.6 mm, 4 mm Head – FG, Pack of 5","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eCrosstech zirconia diamond bur for adjusting and preparing zirconia restorations, ISO 390, 1.6 mm head diameter. Available in standard and fine grit.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned for zirconia\u003c\/strong\u003e – adjustment and preparation of zirconia restorations\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eStandard and fine grits\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFG shank\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAutoclavable\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Crosstech Canada\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Zirconia adjustment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO No.:\u003c\/strong\u003e 390\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO Shape No.:\u003c\/strong\u003e 274\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead diameter:\u003c\/strong\u003e 1.6 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead length:\u003c\/strong\u003e 4 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank:\u003c\/strong\u003e FG friction grip (regular FG 31)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e 5 burs per pack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrder codes:\u003c\/strong\u003e ZC21, ZC21F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog page:\u003c\/strong\u003e Crosstech Catalog 2026, page 8\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eGenuine Crosstech Canada product. Available at NNA Medical Inc. for dental professionals across Canada.\u003c\/p\u003e","brand":"Crosstech","offers":[{"title":"Regular FG (FG 31) \/ Standard (ZC21)","offer_id":67540356300991,"sku":"ZC21","price":40.25,"currency_code":"CAD","in_stock":true},{"title":"Regular FG (FG 31) \/ Fine (ZC21F)","offer_id":67540356333759,"sku":"ZC21F","price":40.25,"currency_code":"CAD","in_stock":true}],"url":"https:\/\/www.nnamedical.com\/products\/crosstech-zirconia-adjustment-diamond-bur-iso-390-1-6-mm-4-mm-head-fg-pack-of-5","provider":"NNA MEDICAL","version":"1.0","type":"link"}