View single post by chiromaster
 Posted: 08-14-2010 02:21 am
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chiromaster

 

Joined: 03-22-2010
Location: Phoenix, Arizona USA
Posts: 37
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They are rubber bumpers. The rubber is hard and looks cracked from the AZ sun. It looks as they may have been coated with something in the past. I will have to take a closer look.