Premium Quality Material: The blender coupler is made of high-strength metal and wear-esistant rubber the high-quality wrench improves operating efficiency Perfect Compatibility: Blender coupler after many tests, it has been proved that the mixer coupler can perfectly replace the original parts and is well compatible with ksb3 ksb5 mixers Adequate Packaging:9704230 Blender Coupler includes 3 x 9704230 Blender Drive Coupling and 1 x Removal Tool (Spanner) Specifications: BRAVER LEMON The diameter of the 9704230 blender drive coupler is 1.41in, the center hole is 0.23in, and the wrench length is 4.5in Perfect Replacement:The 3pcs blender coupling 9704230 is not original, it is only a replacement part, but it can effectively replace old or damaged components the 9704230 blender drive coupling connects the blender jar to the base. to replace this part, use a flat blade screwdriver to pry the coupling off