Bayanin Samfura
Chuck- ɓangaren filastik ɗaya na na'urorin haɗi na injin siyarwa.A data kasance Chuck m diamita ne φ32mm, φ45mm, φ56mm, φ57.6mm, da dai sauransu A diamita na spring karfe waya iya zama φ3, φ4, φ5, da chuck kuma za a iya musamman bisa ga abokin ciniki bukatun.