Features: 1. 4 Ft Folding Ramp 2. Capacity: 600 lbs 3. Serrated top to prevent slipping 4. 2.5" angled lip with holes to secure ramps in place Specification: 1. Unfoldeds: 48" L x  28" W 2. Folds:  48" x 14.8" 3. Material: Aluminum 4. Color: Silver 5.