This is an authentic replacement part sourced directly from the manufacturer. The bearing is commonly found in Craftsman ratchets, ratchet wrenches, and scroll saws. This part is made of metal, and is generally used to allow the rotor to spin freely. You may require a wrench when replacing this item. It is advisable when removing mult...Read moreiple parts to keep careful track of their order so they can be reassembled correctly. This product is provided as an individual replacement part.