uxcell Silver Tone 4" OD 10mm Height Diamond Grinding Wheel Cutter Product Name : Diamond Grinding Wheel;Type : Flaring Cup Main Material : Aluminum, Resin;Outside Diameter : 10cm / 4" Mounting Hole Dia. : 16mm / 5/8";Overall Size : 10 x 1cm / 4" x 0.4" (D*T) Color : Silver Tone;Net Weight : 42g Package Content : 1 x Diamond Grinding Wheel