5 pcs set Hex Shank to Square Head Socket Bit Adapters (3 pcs 50mm+25mm+30mm)

Features:
These shock resistant adapters can meet the most demanding applications (2000 RPM/lb).
1/4 "hexagonal handle is suitable for all quick - change chuck and standard drill chuck.
Suitable
for a screwdriver or electric screwdriver handle tools (hexagonal hole
or three jaw chuck) drive socket, can be installed after the original
hexagonal polygon size into square size, can be used to install the socket, is a good accessories.
Specifications:
Material: chromium vanadium steel
Surface treatment: black oxide
Color: black
Steel beads: yes
Quantity:5
The hexagon handle can be converted to square head
Type:
1/4*1/4*50mm: 1/4 hex shank - - 6.35mm square head
3/8*1/4*50mm: 3/8 hex shank - - 9.53mm square head
1/2*1/4*50mm: 1/2 hex shank- - 12.7mm square head
1/4*1/4*25mm: 1/4 hex shank - - 6.35mm square head
1/4*1/4*30mm: 1/4hex shank - -  6.35mm square head
Package Included:

Features

1、Each has been quenching heat treated ,sturdy and wear resistant
2、Chrome vanadium steel for heavy impact drive suitable quick replacement of 1/4
3、This kit is applied to your impact drive or drill bit, and allows you to replace the ratchet with an electric tool
4、These shock resistant adapters can meet the most demanding applications (2000 RPM/lb)
5、1/4