This is a .050 ball wrench (4-40 set screw) from Dubro.
Features:
- Fits 4-40 set screw
- The perfect tool for getting at those hard to reach places
- Ball wrenches make it possible to turn socket head screws or bolts from any angle
- Transparent Yellow plastic handle
Includes: One .050 Ball Wrench (4-40 Set Screw)
Specs:
Length: 4-3/4 (12.1cm)