Pokin 4 sets of 3/8" Square drive socket retainer rings with O-ring

Convenient
Includes anvil retaining ring installation tool for quick and easy installation

Good material:
The O-ring is made of high-quality rub ber, which is reliable and not easy to break
The snap ring is made of carbon steel, which is sturdy and durable, wear-resistant, and has a long use time

3/8" Anvil Retaining Ring Install Instruction
Step 1:Install new o-ring.
Step 2:Place retaining ring into install tool recess.
Step 3:Insert anvil into retaining ring at a 45°.
Step 4:Push and bring the anvil perpendicular.
Specifically designed to fit Milwaukee type 3/8" cordless impact wrench.

Does not fit DeWalt or other cordless tools.