Powerful 12-volt motor delivers variable speed of 5000 - 32,000 rpm (revolutions per minute) for superior speed and performance under load. Unique design delivers up to 10X the tool life with grinder-style exhaust ports and front bearing protection. The variable-speed dial offers fluid control. 1/8 In. collet accommodates all 1/32 In. - 1/8 In. shank accessories for thousands of applications - cutting, grinding, sanding and polishing. Compact, lightweight design allows for working comfortably in tight spaces and extended time periods. Includes five cutting wheels, mandrel and wrench. Bare tool - battery and charger not included.