Designed to fit the Knife Blade Drive Housing (sold separately) for use with Cricut Maker™, this replacement Knife Blade cuts through thicker and denser materials like balsa wood, leather, matboard, craft foam, Cricut Chipboard, and more. Enjoy clean and precise cuts with this premium carbide steel blade. Details:12mm carbide replacement bladeCuts up to 3/32" balsa wood, 2mm leather, 2mm Cricut® chipboard and moreRequires knife blade drive housing (sold separately)Safety changing cap protects fingers from bladeNot recommended for cutting images smaller than 3/4"For use with Cricut Maker™ onlyRequires use of Design Space® software on a desktop or laptop Contents:1 - 12mm premium replacement knife blade1 - safety changing cap1 - blade changing instruction sheetFor more info on blade calibration, cutting times, materials, and more, visithttps://help.cricut.com/knifeblade