Whats in the box:Two Tank Brackets
Roll Control System is the Complete Accessory System for Diving, Fishing and Boating it starts with a Track System that enables you to mount either and Aluminum, PVC or Molded Plastic Track to your boat gunnels, vans, and truck beds or personnel watercraft. Once you have the basic track you can then mount any of the many brackets available to hold Scuba Cylinders, Fishing Rods, Rope Cleats and much more.
Standard brackets (one-piece) slide into Roll Control aluminum or molded track to safely transport tanks vertically to your dive destination. Made of durable polypropylene, Sold in sets of two, will hold 6.9" - 7.25" dia. tanks.