Item: 9704230 Drive Coupler with Spanner Kit. 2Pcs x Drive Coupling. 1Pc x Spanner Kit. Made by Premium Quality Material. 4KSB5BK4, 4KSB5BU4, 4KSB5CR4, 4KSB5ER4, 4KSB5GN4, 4KSB5MC4, 4KSB5MY4, 4KSB5OB4, 4KSB5PK4, 4KSB5SSOB, 4KSB5TG4, 4KSB5WH4, 4KSB5WW4, 5KSB52-4, 5KSB52AAC4, 5KSB52ABU4, 5KSB52ACR4, 5KSB52AER4, 5KSB52AGR4, 5KSB52AMC4, 5KSB52AMY4, 5KSB52ANK4, 5KSB52AOB4, 5KSB52APK4, 5KSB52ATG4, 5KSB52AWH4, 5KSB52BAC4, 5KSB52BAC5, 5KSB52BBU4, 5KSB52BBU5, 5KSB52BER4, 5KSB52BER5, 5KSB52BGR4, etc.