Double, all steel, railroad wheel chock with flag and replaceable rail biting spurs. Type "C" for exposed rail. Holds the railcar in both directions. Feature heat-treated spurs for excellent rail-gripping power. Handle length is 28-inches. Weight is 16-pounds. Always use tarp strap which is supplied with the chock to draw chocks against wheel. Replace the strap if missing. Product of Aldon® Company