Wright Tool 3/8 in Drive 12-Point Standard Metric Polished Hand Socket, 21mm - WT 31-21MM Socket Insulated Drivers Wiha standard hex bits have

Wiha standard hex bits have tips that are exact fit

5/8 in - WT 4220

1/2" DR CTK142C

Wera Bicycle Set 1 05004170001

Wright Tool 3/8 in Drive 12-Point Standard Metric Polished Hand Socket, 21mm - WT 31-21MM Socket Insulated Drivers Wiha standard hex bits haveWright Tool 3 8 in Drive 12 Point Standard Metric Polished Hand Socket, 21mm WT 31 21MM Sockets are widely used in various mechanical and construction applications, as well as in automotive maintenance and repair. Features: Patented Wright Drive distributes contact over a larger surface area for greater gripping power and strength Forged and Machined for Best Fit and Unyielding Strength Precision Heat Treated and tempered for optimal hardness,