They are made of a durable plastic material that is resistant to wear and tear. Made of durable plastic material.
Coats 182961 Plastic Inserts for Metal Head - 2 Inserts per Pack
5pk Mount Demount Duck Head Plastic Inserts for ACCU-TURN / BOSCH 101608, 100798
8182963 12Pk Plastic Inserts for SS Mount/Demount Head fits Coats 5060 7065 5065
10-Pack Rim Protector Plastic Inserts for SNAPON, JOHN BEAN, HOFMANN TC247G15A
High Quality Nylon Plastic Inserts For Tire Changer Machine 10 Pcs Set
5PC Nylon Plastic Finger Inserts Triangle Inserts For Corghi Hunter Tire Changer