Material? 40CR Steel Strength: 6000LBs Package? U-Shaped Stabilizer &Hitch Lock and 2" Ball Easy to install Large, heavy-duty step easily slides into 2" trailer hitch receiver opening. Special Texture Design Surface texture design increases friction and improves safety. Powerful Surface Spray Process Well-painted process would rust resistant and extend product life time. The maximum load bearing of hitch bump step is 350 lbs. The hitch step would protect your vehicle's bumper aviod scratching when the car behind or the rear car hits the rear wall.