RAM® Flex-Rod™ 18" Ball with Track Base RAM-HOL-ZE17-1U The RAP-S-KNOB6-7U consists of a

The RAP-S-KNOB6-7U consists of a 3/8"-16 female threaded security knob and key knob

Explore the RAM® Track-Ball™ collection for a variety of mounting solutions

socket system and universal spring loaded X-Grip® cradle for large phones and phablets

The adjustable height settings are numbered to quickly set up for any cart or charging station

RAM® Flex-Rod™ 18" Ball with Track Base RAM-HOL-ZE17-1U The RAP-S-KNOB6-7U consists of aThe 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.