Connection hex shank drill site size 6.35mm 1 4inch ,Connecting parts of the batch Hex size 6.35mm 1 4inch
Flexible shaft head can be installed hexagonal handle 1 4 handle head,Suitable for ordinary hand drill and electric drill with perfect performance,Bends,twist and turns to use drill into tight and confined spaces, mainly for computer chassis
The flexible shafts drill bit extension is made of high carbon steel which is practical and durable to use
Package Includes 2 PCS Flexible Drill Bit Extension