Features:
1. It is a Special Direct System.
2. High occlusion, can matched perfectly, greatly decrease harm to screw.
3. Converts drill into a power socket driver.
4. Spring-loaded ball bearing locks on to sockets.
5. This set is perfect for your impact driver or drill, and allows you to replace your ratchet with a power tool.
6. With weak magnetic on its head, convenient to use, easy to be install and handle.
7. For use with SDS Plus Fitting Drills.

Specification:
Material: 406 Steel
Handle type: round handle
Handle diameter:1cm
Adapter diameter: 1/2":1.27cm,; 3/8": 0.95cm; 1/4":0.7cm
Total length:6cm

Package include:
1 x 1/4" adapter
1 x 3/8" adapter
1 x 1/2" adapter