The Cuisinart CSB-79BS Blender Blending Shaft transfers motor power to the blade assembly for smooth and consistent food preparation. This replacement blending shaft is designed for compatible Cuisinart handheld blenders, including the CSB-79 Smart Stick model, and connects the motor housing to the blade assembly. It works by transmitting the motor’s rotational motion through the shaf... https://www.hnkparts.com/cuisinart-csb-79bs-blending-shaft