The RAM Flex-Rod™ Track Mount is made up of an 18" rigid aluminum rod with a ribbed plastic cover, a track base with T-bolt for virtually any track system, and a B size 1" rubber ball at the top for connecting any RAM ball and socket mounting components. Simply insert or slide the mount into your track and twist clockwise to tighten. Twist counterclockwise to adjust or remove the mount as needed. 

 T-Bolt Dimensions: 0.48" x 0.95"

RAM Flex-Rod™ Track Mount with 18" Arm and B Size 1" Ball