Quickie Cut™ 6 in (OD) x 0.045 in (T) 1 Straight ZA Cut-Off Wheel has a rigid design for cutting fast and for longer life.Quickie Cut™ 6 OD x 0.045 Type 1 Straight cut-off wheel with arbor size of 7/8 is made of zirconia alumina for durability. 36-Medium grit wheel is designed to cut materials like aluminum alloys copper brass bronze and titanium. Diameter: 6-inch. Thickness: 0.045-inch. Arbor size: 7/8-inch. Abrasive material: Zirconia alumina. Grit/Grade: 36 (medium). Rigid wheel design for fast cutting and for longer life. Recommended for ferrous metals: Angle iron iron/steel bar metal decking and cable pipe line stainless steel sheets and stainless steel bars. Can be used for high tensile steel and non-ferrous metals: Aluminum alloys copper brass bronze and titanium. Used with right angle grinders. Sold as 1 Each.