WAASOSCON Portable Aluminum Telescoping Wheelchair Ramp, 661LBS Capacity ADA Compliant Threshold Ramp, Anti-Skid 7.44Inch Wide Ramp for Steps & Stairs, 4 Ft

1. Industrial Load Capacity: 3.2mm thick aluminum panels with crossing-rib reinforcement pass ASTM F1637-22 standards, supporting electric wheelchairs + caregiver combined weight (tested to 800lbs). 2. Military-Grade Traction: Electrostatic-bonded quartz sand (320 grit) achieves 0.68μ friction coefficient - 40% higher than standard plate surfaces in wet conditions. 3. Space-Optimized Design: Telescoping mechanism reduces length by 38% (8FT→53.1Inch stored) with double safety locks; includes 600D Oxford carry bag with shoulder strap. 4. All-Terrain Compatibility: 7.44Inch width accommodates most wheelchair/scooter tires (10-14Inch); ramp edges tapered to 15° for smooth curbside transitions. 5. Corrosion Resistance: MIL-A-8625 Type III anodized coating withstands salt spray (2000hr ASTM B117) - ideal for coastal regions/RV use.