The H.8D is a slim collet-type handpiece with pre-lubricated ball bearings that require no maintenance. It has a chuck guard that slides back when changing burs. Comes with 1/8" collet and chuck wrenches for changing collets and accessories.
Big Book Catalog, Issue:70, Page:445
SPECS: 9-3/8" long, 5/8" dia., wt. 5.2 oz.