A small angle grinder with a powerful system to maximize performance. Dust Ejection System - prevents dust entering the tool. One-Touch guard allows 360-degee rotation with a single action. Quick-change wheel release allows tool-free wheel removal. Low profile gear case fits into tight areas. Lock-on slide switch increases user comfort. 11 Amp AC/DC 11000 RPM motor has higher overload protection. 4-1/2" Wheel diameter. 5/8"-11" Spindle size.