MicroLite Hygiene Handpiece 1/Pk. Supermini prophy handpiece with variable speed 5000 rpm air motor, 360 degree swivel, and lube-free design. Standard MW 4-hole connection. Matte silver finish. Non-detachable 1:1 friction-grip chuck nose cone. Steam autoclavable to 275 degree F. Made in USA. One year manufacturer's warranty.