Features:
100% brand new and high quality
Drop forged， heat treated chrome vanadium steel
Ball detent securely holds socket onto coupler
Use with impact or hand ratchet wrenches
Increases flexibility for sockets and drive tools

Specifications:
Contains:
3/8" Male to 1/2" Female
1/2" Male to 3/8" Female
1/4" Male to 3/8" Female
3/8" Male to 1/4" Female
Length:
3/8" Male to 1/2" Female: 37mm
1/2" Male to 3/8" Female: 35mm
1/4" Male to 3/8" Female: 27mm
3/8" Male to 1/4" Female: 25mm

Package list:
4 * socket reducer adapters