4 Drill Bit Adapter Chucks Mandrel Tools Drill Bit Adapter Chuck This is a new drill bit adapter chuck Great for drill bits, burs, polishing bits, etc Includes 2 collets It has a 3/32" shank Pin Chuck This is a new pin chuck Small wheels and burs can be used on larger, polishing motors by threading onto tapered spindles Holds drills up to 2.2 mm Comes with 3 collets It measures approximately 2 3/4" (70 mm) Has a 3/32" (2.5 mm) shank Drill Bit Micro Chuck This is a new drill bit micro chuck Great for drill bits, burs, polishing bits, etc Includes 1 collet It has a 1/8" shank Mandrel This is a new mandrel Can be used with flex shafts and drill presses Felt cylinders, rubberized abrasives and grinding wheels can all be used with these mandrels Measures approximately 1 3/4" (44.5 mm) long with a 3/32" (2.5 mm) shank Newer versions of the item shown may be shipped, as a result, there may be a slight variation in color and design.