Dynabrade 11216 Contact Arm Ass'y, 5/8" Dia. x 1/8" W, Rubber Wheel, with 1/4" W Platen 
Dynabrade 14263 Dynangle Contact Arm Assy, 1-1/2″ Dia x 1″ W Smooth Urethane, 3/4″ Radiused Corner
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Dynangle Contact Arm Assy, 1-1/2″ Dia x 1″ W Smooth Urethane, 3/4″ Radiused Corner
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