PROGRIP 942420 ATV and Motorcycle Tie Down Sr Rail Mount Track Kit, 2' Tie down system that is buildable enabling the user to customize a truck or trailer cargo transport set up; ideal for ATV or motorcycle tie down application Anodized aluminum tracks will not rust or corrode; stylized end caps seal the rail and prevent carriage overrun Tie down carriage is made of space age nylon for extended wear; hook opening accepts a wide range of S-hooks and J-hooks Designed for above the rail and inside rail truck bed installations, alternatively mounts on the floor or box of utility trailers Includes pair of 2 ft. track sections with end caps, 2 carriage/sliding anchors, and stainless mounting screws;1,500 lbs. break strength; 500 lbs. work load limit