ANCRA win comply with DOT, WSTDA-T3 and Canadian Standard 905 regulations. Powder coating finish withstands 250 hrs of standard salt spray testing to ensure years of service. Reduces Weight per Win by 2 lb. on Average. Lighter 7 mm weight reduces fuel expenses and allows for a greater pay load. Heat-treated material maintains strength. Allow for easy positioning in the track, but lock into place when tension is applied to the strap. For use with ANCRA track 42357-11, 42357-21, 49242-10-120 or equivalent.