SP-S5014 – The #28 handpiece has a slender, comfortable design with tapered grip and pre-lubricated ball bearings that do not require maintenance. Comes with 3/32 and 1/8 collets, pin, and chuck wrench. 51/4″ long, 23/32″ dia. (center), 1/2″ dia. (taper). Other collets available below.