Wooden Chuck for Tapered Spindle

A reinforced wooden chuck designed to fit a compatible tapered polishing-motor spindle. The collets grip mandrels and burs of the listed shank sizes. Allows you to put Split Mandrels, threaded mandrels and burs onto your bench polishing motor. End of wood is bored and reinforced so that it can be threaded onto a polishing motor. Collet sizes: 2.35 and 3.2 mm (nominal 3/32" and 1/8") Body material: Wood