This is an authentic OEM part used in Chicago Pneumatic tools. The seat-throttle is made from hard rubber and is used in multiple tools. It is designed to absorb shock and fits between the valve throttle and the o-ring. An Allen wrench and a hammer may be required to install the throttle. This part is sold individually.
This is an authentic manufacturer sourced replacement part designed for use with Chicago Pneumatic impact wrenches. It helps to provide an air tight seal between a regulator and an air inlet bushing. This o-ring is made out of rubber material and it is sold individually. To complete this repair you will need a hex key/allen wrench.
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.