Double railroad wheel chock for exposed rail with flag, flashing light and mounting bracket. Why risk derailment or ruptured hoses if the night switching crew doesn’t notice that a car wheel is still chocked? Aldon railroad wheel chocks with flag are now available with light mounting bracket. Steel bracket holds flashing light and bolts to any 1-inch diameter flag-type handle. Light can be seen for over a mile. Choice of lens color: Blue, Red, Amber. Wheel chock features an all steel casting with replaceable rail-biting steel spurs. Always use tarp strap that is supplied with the chock to draw chocks against the wheel. Replace the strap if missing. Product of Aldon® Company.