Description Black Joint Coupling Iron Small Cross Universal Joint Coupling 4mm to 4mm Specification Material IronType 4mm to 4mm universal jointSize D9 0 4 0 M3 L22mmQuantity 1pc Features Small cross type 4mm to 4mm universal joint Great transmission torque long life Package Included 1pc x 4 4mmJoint Coupling Notice 1 Please allow a bit error due to manual measurement please make sure you do not mind before you bid 2 The color may have different as the difference display pls understand More Details