This barbell bar chuck is made of nylon, and the material is wear-resistant and durable, suitable for the use of Olym pic bar with 50mm diameter. A circle of TPR leather ring padding on the inside of the chuck protects the bar well, and the black chuck is fast and tight without loosening and slipping, which makes it very solid and reliable to use. Characteristics: » Material TPR + Nylon » Can be used with any Olympic bar with 50 mm attachment. » Rubber inlay protects the bar from damage and provides a secure grip. » Fastener made of break-proof plastic with locking clamp mechanism. » Hexagonal design with an outer dimension of 80.0 mm. » Inner Diameter: 50mm » Weight: 170gx2pcs » Colour: black Features: » High Quality TPR Material - TPR material is used for the snap and leather ring parts, leather ring effec tively protects the bar, TPR friction coefficient is high, and has better anti-slip performance compared with other materials. » Nylon Material - Nylon material has good wear resistance and is durable. » Suitable for Olympic Bar - Diameter is 50mm, suitable for Olym pics bar. » Locking Protection Safety - Black buckle can be quickly tightened, can be firmly fixed, and is still steady not loose under high impact force, which increases the safety of use. » Various Scenes - It is used for barbell set locking device and strength training, suitable for gym/school/home fitness. Harga per pasang (2pcs)