3 Pcs set Socket Bit Extension Bar Hex Shank Adapter Drill Nut Driver Power Drill Bit 1 4 3 8 1 2 Inch LENGTH:65-73MM

This is a 3-piece set of Socket Bit Extension Bar Hex Shank Adapter Drill Nut Driver Power Drill Bit. The set is made of chrome vanadium steel and is suitable for heavy duty impact drivers. The head of the bit has a spring loaded ball bearing that holds the sockets securely. The set also includes a drive sleeve that can be installed on the size of the original hexagonal polygons of a screwdriver or electric screwdriver handle to convert it to a power drill bit.

The set also includes an after-use installation sleeve that can be used to install the drive sleeve on the size of the original hexagonal polygons of a screwdriver or electric screwdriver handle.

1. Chrome vanadium steel suitable for heavy duty impact drivers. Spring loaded ball bearing on head holds sockets securely. 2.

This set is perfect for your impact driver or drill, and allows you to replace your ratchet with a power tool. 3. Suitable for a screwdriver or electric screwdriver handle tools (hexagonal hole or three-jaw chuck can) drive sleeve and after use can be installed on the size of the original hexagonal polygons converted to square head size, which can be used to install the sleeve is a good accessory to convert.