Foredom General-Purpose Handpiece w/ 3 Collets 3/32" 1/8" 1/4" Flex Shaft Rotary Tool - H.44T FeaturesIt has pre-lubricated ball bearings that require no additional lubricationComes with 3/32", 1/8", and 1/4" collets, pin, and a wrench for changing your collets and accessoriesForedom's H.44T handpiece is a collet-type handpiece that accepts accessories with up to 1/4" diameter shanks .