KitchenAid Blender Coupler Replacement Parts (6 Packs) - 9704230 Blender Coupling with 1 Wrench. Fit for: These blender coupling replacement parts are compatible with KitchenAid model KSB5 series. Easy to use: The blender coupling is easy to install and serves as a great replacement for original parts. Reliable quality: The blender couplers are made of quality plastic and have been well-tested, sturdy and durable, ensuring long-term use. Easy installation allows you to repair your blenders quickly and effortlessly. Specifications: Material: Metal + Plastic. Color: Black. Package includes: 5 x Blender Couplers, 1 x Wrench. Warm note: Only the above package content is included; other products are not included. Note: Light and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm.