The pin chuck is a useful accessory for holding drills too small to be held by standard capacity drill chucks. Supplied with three collets of the following sizes:
0 - 0.75mm (0 - 1/32 in)
0.75 - 1.5mm (1/32 - 1/16 in)
1.5 - 2.5mm (1/16 - 3/32 in).