Features: – Rugged, Durable, Reliable Wheel Stop – Heavy-Duty Reinforced Curb Tire Construction – Provides Convenient Vehicle Parking Assistance – Universal Placement Perfect for Garage, Driveway, Parking Lot – High-Visibility, Bright Yellow Reflective Safety Strip – Marine Grade Waterproof & Weather-Resistant Design – Hassle-Free, Tire Stoppers Designed to Be Placed on the Ground Floor – Integrated Mounting Holes for Permanent Installation – Front or Rear Vehicle Tire Application – Can be Used on Asphalt, Gravel and Uneven Surfaces – Used for Car, Truck, Bus, Van, Trailer, RV, Forklift & More Technical Specs: – *Mounting Hardware Not Included – Mounting Hole Sizes: 12mm Top Opening, 10mm Bottom – Recommended Bolt Installation (Asphalt/Cement): 10cm Length, 10mm Diameter – Maximum Load Capacity: Up to 33,000 lbs. – Construction Material: High-Density Engineered Rubber – Total Wheel Stop Size (L x W x H): 21.7’’ x 5.9’’ x 3.5’’ -inches