AS TOOL CENTER 3Pcs Socket Adapter Impact Hex Shank Drill Bits Power Extension Bar 1/4 3/8 1/2 Socket Set  (Pack of 3)

Characteristic: Compact and easy to carry. Made from super strong heat treated chrome vanadium steel. The locking ball made of stainless steel ensures a secure fit and does not slip. Prevents stripping during high-speed drilling. Applies to the screwdriver handle or the electric screwdriver tools (e.g. hexagonal hole or three-jaw chuck). Can be used to install the sleeve, a good conversion accessory. Size: 1/4 "* 1/4" * 50mm (length) - 1/4 "shank can be converted to a 6.35mm square 3/8 "* 1/4" * 50mm (length) - 1/4 "shaft can be converted to a 9.53mm square 1/2 "* 1/4" * 50mm (length) - 1/4 "shaft can be converted to a 12.7mm square Package include: 3 x bit adapter