It is a genuine replacement o-ring which is supplied by the original equipment manufacturer for use with Dynabrade power tools. This item is utilized to provide an air-tight seal between connected parts, please make sure to check appropriate diagram of your model for the correct use and location of this component. Over time o-rings tend t...Read moreo deteriorate and crack eventually requiring replacement to maintain peak performance. It is a high-quality part that is made of durable rubber material and it is sold individually.
This retaining ring is an original part from Dynabrade. Compatible with sanders, grinders and buffers, this item is sold individually. The metal ring is often used to help secure the valve stem in the housing. A pair of pliers are helpful with making the replacement.