Features: – Rugged, Durable, Reliable Wheel Stop – Heavy-Duty Reinforced Curb Tire Block Construction – Provides Convenient Vehicle Parking Assistance – Universal Placement Perfect for Garage, Driveway, Parking Lot – High-Visibility, Bright Yellow Reflective Safety Strips – Marine Grade Waterproof & Weather-Resistant Design – Hassle-Free, Tire Stoppers Designed to Be Placed on the Ground Floor – Integrated Mounting Holes for Permanent Installation – Extra Wide Style for Dual Front/Rear Tire Application – Can be Used on Asphalt, Gravel and Uneven Surfaces – Used for Car, Truck, Bus, Van, Trailer, RV, Forklift & More – *Mounting Hardware Not Included Technical Specs: – Optional Mounting Hole Sizes: 20mm Top Opening, 15mm Bottom Opening – Recommended Bolt Installation (Asphalt/Cement): 15cm Length, 10mm Diameter – Maximum Load Capacity: Up to 44,000 lbs. – Construction Material: High-Density Engineered Rubber – Total Wheel Stop Size (L x W x H): 72.1’’ x 5.9’’ x 3.94’’ -inches