Guardian Industrial Products DH-UP-5 40,000 lb. Loading Dock Rubber Curb Ramp 5.25" rise, ideal curb ramp for loading dock areas and uneven surfaces Great in any weather condition (resists oil, solvents, gas) 32 Degree Inclined approach angle, measures 12.75"L x 19"W x 5.25" overall (2) Holes for permanent mounting application Heavy duty industrial strength rubber with a grooved traction surface