9704230 Blender Coupler Clutch replacment with Spanner Kit Compatible with KitchenAid KSB5 KSB3 and replaces section numbers: 9704230, WP9704230VP, WP9704230,AP2930430 PS401661 Easy to install, Use a flat blade screwdriver to pry the coupling off, then wipe the threads off with a dry cloth, and screw the recent coupling on counter-clockwise Six rubber teeth ,reverse aluminum thread. Long lifespan. If your Blender blades did not spin, it might says you would like replace a new coupler. colour:black Material:metal & plastic size:36x15 Package Contents: 4 x Drive Coupler 1 x Spanner Only the above package content, diversified item usually are not included. Note: Light shooting and varied exhibits could cause the colour of the thing within the photograph slightly diversified from the real thing. The size allowed error is +/- 1-3cm.