Heavy duty cable tray roller. Perforated tube allows adjustable leg to fit on tray widths of up to 36 inch. Auto-retractable ratchet strap quickly fastens mounting system to tray. Rotating frame opens from left to right side to release cable. No loose pieces. Adjustable legs to fit onto tray width sizes of 12 to 36 inch. Mounting bracket securely fastens to various types of cable tray rails. 4 conveyer roller guide with 2 retained spring pull-pin release to easily remove cable from both sides. Closed conveyer roller guide that traps cable within guide without damaging cable jacket. 6 ft long durable retractable ratchet strap for sturdy assembly onto tray. Easily handle forces of up to 200 lbs. Designed and assembled in USA. Application: use to assist pulling cables along non basket-style cable trays. Designed to aid load forces during cable pulls especially right before 90° bends and offsets without taking space up inside the tray.