Introducing our blender coupler and Wrench Set, the perfect solution for maintaining and repairing your blender. Made with high-quality plastic and metal materials, our couplers are wear-resistant, durable, and built to last. With easy installation and replacement, you can effortlessly service your blender without any hassle. Simply ensure the power is turned off, use a screwdriver to pry up the old coupling, wipe the threads clean, and tighten the new coupling counterclockwise. Our coupler set is compatible with blender KSB5 KSB3 and various replacement part numbers such as 9704230, WP970430vp, WP9704230, AP2930430, and more. Don't let loose or weak blender joints slow you down - replace them with our practical and convenient coupler set for long-term and effective performance. Item Name: Blender Coupler Material: ABS, Metal Function: Transmission Wheel Usage: Manual Accessory Types: Soy Milk/Mixing/Grinder Accessories Features: Replacement Part, Perfect Fit, Professional Size Details: Length: 3.5cm/1.38" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 2pcs: 2 x Blender Couplers 1 x Spanner or 3pcs: 3 x Blender Couplers 1 x Spanner or 4pcs: 4 x Blender Couplers 1 x Spanner