This item is a genuine replacement part that is intended to be used with impact wrenches and air hammers. The steel ball fits into a slot on a part assembly and is used to reduce friction between the assembly and the housing. The ball is available as an individual replacement part.
This is an authentic Chicago Pneumatic replacement part that has been sourced from the original manufacturer to be used with impact wrenches. The ball bearing is used to reduce friction between a rotating shaft and a fixed part assembly. This bearing is sold as an individual replacement part.