Extension 1/2"(20", 500mm) , MAGMA Square 3/8 7700015
- Manufactured by cold forging.
- Equipped with a spring-loaded retaining ball.
- Material - CrV50BV30 chrome vanadium steel.
- Hardened to a hardness of at least 39 HRC.
- Protected against corrosion by chrome plating with matte surface effect.