This replacement blade assembly is specially manufactured for Hamilton Beach blenders and food processors. It is an authentic OEM item, not an aftermarket equivalent. This part consists of a white plastic body, metal blade and a plastic coupling that drives the blade. When replacing this blade assembly it might be a good idea to replace t...Read morehe gasket to ensure proper seal. Replacing this blade is a simple task that does not require any tools. • Make sure the unit is unplugged • Remove the jar collar • Remove separate the jar and the blade • Secure the new blade to the jar using the collar