- Arms used on Extra Heavy Duty series uprights.
 - Arms have a Lip mounted on its end.
 - Used with pipe, bars, poles and items which are cylindrical in shape.
 - Arms are adjustable 3" up and down the full length of the upright.
 - Loading on arms should be evenly distributed.
 - The Hair Pin Keeper permits instant adjustability of the arm's height on the uprights.
 


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