MODEL NO : DGD800Z Makita DGD800Z is a 18V cordless die grinder. Features -Slide switch with lock-on for operator convenience -Vent slots designed to direct exhaust air away from the user -L.E.D. light flashes red when it is time to recharge the battery -Built-in L.E.D. protection circuit with over-torque control protects the motor -Stepped neck for working in tights spaces Specification Wheel Diameter : 38 mm (1 - 1/2") Capacity : Collet: 6 mm No Load Speed (RPM) : 26,000 Dimensions (L x W x H) : 402 x 82 x 118 mm (15-3/4" x 3-1/4" x 4-5/8") Net Weight : 1.7 - 2.2 kg (3.8 - 4.9 lbs.) Work Amount (approx.) : 9 g with BL1850B, Grinding Steel Plate SS400