3/8" Square Drive Adaptors with Phosphate Finish
- High-performance alloy steel
- Square female size: 3/8"
- Square male size: 1/4", 1/2"
- Phosphate finish
- For maximum safety use clamping springs
- With spring-loaded pin
- D2 = outside diameter of the female end
- Drive standard: DIN 3121-G 10, ISO 1174
- Warning: The torque to be applied should be limited to the smallest drive