This item is sourced directly from the original equipment manufacturer. It is specially designed for use with Jet and Wilton sanders. The idler pulley helps to apply tension on the belt. Over time it may wear out or get damaged eventually requiring a replacement. It is made of high-quality material and is sold individually. Check the diagrams of your model for the exact location and the correct installation of this part. You will need a wrench set to remove and secure the hardware that holds the idler. For Use With: Jet 4002 (9078321) 8-Inch Disc Sander J-4002 (577003) Disc/Belt Sander
This is an authentic Wilton replacement part that has been sourced from the original manufacturer to be used with belt/disc sanders. The metal drive shaft is used to mount the idler pulley which is the middle pulley between the motor drive shaft and the belt drum pulley. This drive shaft is sold as an individual replacement part, please note the key is sold separately. For Use With: Jet 4210 (5511717) Belt and Disc Sander J-4210 (414550) Disc/Belt Sander