Kitchen Aid Blender Clutch Coupling Coupler Drive 12 Teeeth 5 Pcs Product Name : Blender Rubber Coupler Clutch;Fit for : Food Blender Main Material : Rubber;Color : Black Teeth Quanity : 12;Outer Dia : 27mm/1.1" Inner Threaded Dia : 4mm/0.16";Height : 16mm/0.63" Net Weight : 59g;Package Content : 5 x Blender Rubber Coupler Clutch