Bosch 1215, Die Grinder, 27,000 RPM, 4.6 amps 

4.6 Amps, 27,000 RPM, Lock-on/off switch - for extended use applications, Compact design - slim tool housing comfortably fits in the hand, Metal gear housing - withstands job-site abuse, Ball and needle bearing construction - smooth power transmission and extended tool life, 4" spindle length - designed for interior die grinding, 35 mm flange diameter, Double Insulated, UL listed, complies to OSHA. Includes 1/4" Collet. Weight 4.50 lbs.