Description: A rotary tool kit for cutting, grinding, polishing and more This rotary tool kit includes accessories that are perfect for cutting, grinding, polishing, sharpening and drilling on a variety of projects! The rotary tool features a spindle lock for easy collet changes and a max speed of 16,000 RPM. This versatile kit is a great set for any hobbyist, woodworker or handyman to perform countless tasks. Great for cutting, grinding, polishing, sharpening and drilling Spindle lock for easy collet changes 1mm, 3mm, 3/32", 1/8" collets 16,000 RPM Specification: Certification UL Color Black Maximum speed (rpm) 16000 (Single Speed) Switch type Rocket