RAM® Aluminum Track Ball Base with T-Bolt Attachment - C Size RAM-101U-B-CRO1 5" diameter round plate with

5" diameter round plate with the universal AMPS hole pattern and one 2

or at play

5" and can accommodate a swing arm such as RAM-109-1APU

The included diamond ball base features the industry-standard AMPS hole pattern

RAM® Aluminum Track Ball Base with T-Bolt Attachment - C Size RAM-101U-B-CRO1 5" diameter round plate withThe RAM Track Ball is made up of a C size 1. 5" ball molded to a marine grade aluminum base, a rubber friction washer and a stainless steel T bolt for sliding into virtually any track system. Simply insert or slide the Track Ball into your track and twist the ball clockwise to tighten in place. Twist counterclockwise to loosen or adjust the ball.