The 6" hook-face sanding pad attaches to the balancer shaft. This item is available individually. This is an OEM part sourced directly from the manufacturer and used in sanders made by Dynabrade. It might require a screwdriver to replace this part. It is made of durable materials and will require replacing when it wears down.
This steel part is manufactured by the original maker. It is used in various Dynabrade power tools including sanders and buffers. Ball bearings are used to reduce friction between metal parts. These parts need to be replaced regularly due to the effects of metal fatigue. This bearing is sold individually.
This is an authentic Dynabrade replacement part manufactured for use with pneumatic sanders. Seals on pneumatic tools can wear out over time from compression between part assemblies, or from weathering caused by exposure to chemicals or water. This seal is commonly used between the balancer shaft and lower bearing, please see model diagram for associative parts.