Graff Rubber balls Size 4, 4 × 10 pcs

The rubber ball serves as a shock absorber and protection for the knots between the vertebra and the lead. These balls are mainly used as a shock absorbing stop under loads to cover knots. It can be used as a fixing segment in the "helicopter" assembly above and below the hinge vertebrae. They are made of quality rubber, do not change their shape and do not crack even after prolonged use.