8 Drill Bit Adapter Chucks Mandrels Tools 3 Drill Bit Micro Chucks This is a new set of 3 drill bit micro chucks Great for drill bits, burs, polishing bits, etc Each includes 1 collet All have a 1/8" shank 2 Drill Bit Adapter Chucks This is a new set of drill bit adapter chucks Great for drill bits, burs, polishing bits, etc Each includes 2 collets Both have a 3/32" shank 3 Mandrels This is a new set of 3 mandrels Can be used with flex shafts and drill presses Felt cylinders, rubberized abrasives and grinding wheels can all be used with these mandrels Each measures approximately 1 3/4" (44.5 mm) long with a 1/8" shank Newer versions of the item shown may be shipped, as a result, there may be a slight variation in color and design.