CF0415 - 12 Edge Sintered Tungsten Carbide Cast Cutter 12-edge 100% sintered tungsten carbide cast cutters are designed to fit your grinders and scarifiers. Select this style for tough scraping removal projects. Specfications Specfications Outer Diameter – 1.67″ (42.4mm)Inner Diameter – 0.61″ (15.4mm)Width – 0.16″ (4mm)Weight – 0.11 lbs (0.049 kg)Materials – Hardened steel, tungsten carbideTip Shape – BluntNumber of Points/Edges – 12Shaft Size – 10mm, 7/16″