Pyle Model : PCRBDR21 Vehicle Curb Threshold Ramps Cars/Truck Curb Ramps - Vehicle Curb-Side Bridge Tracks Features: Vehicle Curb-Side Ramps Car & Truck Threshold Bridge Track Style Rugged & Heavy Duty Design Track Piece, 4’ ft. Length (Each) Marine Grade Waterproof-Rated Construction Textured-Style Surface for Increased Friction / Traction Integrated Cut-Out Holes for Permanent Mounting, Optional Used for Un-Even Curbs, Driveways, Gutters, Garages, Sidewalks Universal Vehicle Application: for Car, Truck, Trailer, RV, Hi-Lo Forklift For Home, Office & Business Applications Indoor / Outdoor Use What's in the Box: (2) Car Curb Ramps Technical Specs: Load Capacity: 11,000 lbs. MAX Construction Material: Engineered Synthetic Rubber Total Ramp Size (L x W x H): 48.0’’x 16.0’’ x 2.6’’ -inches (Each) Pyle Vehicle Curb Threshold Ramps - Car/Truck Curb Ramps - Vehicle Curb-Side Bridge Tracks (Pair) - Rugged & Heavy Duty Design - Track Piece, 4’ ft. Length (Each) - Marine Grade Waterproof-Rated Construction - Textured-Style Surface for Increased Friction / Traction - Integrated Cut-Out Holes for Permanent Mounting, Optional - Used for Un-Even Curbs, Driveways, Gutters, Garages, Sidewalks - Universal Vehicle Application: for Car, Truck, Trailer, RV, Hi-Lo Forklift - For Home, Office & Business Applications - Indoor / Outdoor Use - (2) Car Curb Ramps - Load Capacity: 11,000 lbs. MAX - Construction Material: Engineered Synthetic Rubber - Total Ramp Size (L x W x H): 48.0’’ x 16.0’’ x 2.6’’ -inches (Each).