uxcell 100mm Dia Diamond Cut Off Cutter Wheel Disc Die Grinder Silver Tone 2pcs Product Name : Grinder Cut-off Wheel;Material : Metal Exterior Diameter : 100mm/ 3.9";Interior Diameter : 16mm/ 0.63" Thickness : 1mm/ 0.04";Color : Silver Tone Weight : 122g Package Content : 2 x Grinder Cut-off Wheel