uxcell Electrical 16mm Diamond Cut-off Disc Wheel Rotary Tool Product Name : Diamond Cutting Disc;Type : Flaring Cup Main Material : Aluminum, Resin;Outside Diameter : 16mm / 0.6" Mounting Hole Dia. : 4mm / 0.16";Drill Bit Size : 38 x 4mm/ 1.5" x 0.16"(L*D) Overall Size : 16 x 0.5mm /0.6" x 0.2" (D*T);Color : Silver Tone Net Weight : 4g;Package Content : 1 x Diamond Cutting Disc