Polyurethane Wheel Chock PWC2900

.Designed for maximum friction on gravel

.Meets MSHA standards

.Rated for vehicles with a gross operating weight up to 427.5 tons (855,000 

lbs) and wheel sizes up to 142" in diameter

.Measures 21.9" L x 14.9" W x 10.6" H

.Tough polyurethane construction resists oils, fuels, and solvents

.Tall chock desig