DAMPING SPRING
Damping spring is for kelly bar accessories,it assumes spiral-shaped,the elasticity is strong ,each different specification of spring is suitable for different type of kelly bar.
![]()
![]()
![]()
![]()
Packaging
1. Wrapped with plastic film
2. Fixed with iron support or wooden case or Iron case
![]()
![]()
![]()
![]()
![]()
![]()