Super-thin segement makes less material loss but smoother cut. 4-1/2 x .045 x 7/8 Cut-Off Wheel – Type 1 (Flat) – Metal & Stainless – 10-Pack 75mm Grinding Disc With 9.5mm Arbor 3 Inch Cut Off Wheels Angle Grinder Cutting Disc Stainless Steel For 9.5mm Arbor Disc Black & Decker DW8020 Cut-off Wheel Metal Portable Saw 14x5/32x1 72-teeth cutter head blade cuts sharply and smoothly. Product Summary: KURSTOL 72T HSS Cutting Disc - 2pcs 75mm Cutting Wheel for Copper Aluminum Metal Non-ferrous Sheet Metal with Bore 3/8" (10mm) for Mini Angle Grinder 3 inch metal cutting disc diamond tile porcelain cutting disc granite marble ceramic cutting disc, Diameter: 3(75mm), Arbor: 3/8(9., 5mm), Segment Thickness: 1mm.