Specifications: Packing: 2 pcs × Drive Coupler +1× Spanner Blender Coupler: OD 36mm[1.42"],center hole diameter 6mm Spanner:length 115mm [4.52 "],diameter 7mm Works with most top name brands: KitchenAid Replaces for part No. 9704230,AP2930430, 831718, AH401661, EA401661, PS401661,WP9704230VP, WP9704230 Works with the following models: for Kenmore: 4KSB5BK4, 4KSB5BU4, 4KSB5CR4, 4KSB5ER4, 4KSB5GN4, etc There are two ways to remove the old clutch 1. you can use a thin 7mm spanner to grip the flats on the spindle under the coupler then turn the coupler clockwise. 2. you can use a large flat bladed screwdriver to gently pry the coupler off the spindle. Fits Models: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 , 5KSB52BGR5 , 5KSB52BMY4 , 5KSB52BMY5 , 5KSB52BNK4 , 5KSB52BNK5 , 5KSB52BOB4 , 5KSB52BOB5 , 5KSB52BPM5 , 5KSB52BWH4 , 5KSB52BWH5 , 5KSB52EAC4 , 5KSB52EAC5 , 5KSB52EBU4 , 5KSB52EBU5 , 5KSB52ECR4 , 5KSB52ECR5 , 5KSB52ECV5 , 5KSB52EER4 , 5KSB52EER5 , 5KSB52EGR4 , 5KSB52EGR5 , 5KSB52EMY4 , 5KSB52EMY5 , 5KSB52ENK4 , 5KSB52ENK5 , 5KSB52EOB4 , 5KSB52EOB5 , 5KSB52EPM5 , 5KSB52ETG4 , 5KSB52ETG5 , 5KSB52EWH4 , 5KSB52EWH5 , 5KSB52SBU4 , 5KSB52SBU5 , 5KSB52SER4 , 5KSB52SER5 , 5KSB52SGR4 , 5KSB52SGR5 , 5KSB52SOB4 , 5KSB52SOB5 , 5KSB52SWH4 , 5KSB52SWH5 , KSB33 , KSB3-3 , KSB3-4 , KSB5 , KSB53 , KSB5-3 , KSB5-4