Fit for: these blender coupling replacement parts are with KSB5 series Replaces part number: these blender couplers are made exactly with , the top name brand, replaces part numbers is WP9704230VP, WP9704230 Easy to : the blender coupling is easy to install and great replacement for original parts Reliable quality: the blender couplers are made of quality plastic and have been -tested, sturdy and durable, can long-time Easy installation allows you repair your blenders quickly and effortlessly. Specifications: Material: metal and plastic color:black Package includes: 5 x Blender couplers 1 x Wrench Warm note: These blender replacements are spare parts and are , the mention of brand names and any related designation above is only for purposes of demonstrating compatibility. Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is 1-3cm.