Features :
Aluminum motor housing to keep a long life. 
Paddle switch with lock-on for better operator comfort and control. 
Directed air flow diverts dust away from switch and vital components.
Specifications :
Power Input 620 W
No-load speed 12,000 rpm
Spindle thread M10 x 1.5
Capacity (wheel diameter) 100 mm (4")
Capacity (hole diameter) 16 mm (5/8")
Overall length 254 mm
Weight 1.7 kg (3.7 lbs.)