Camco Tri Leveler. Helps appliances and tanks operate more efficiently. Lightweight durable resin has a non-slip surface. Each Tri-Leveler has a load capacity of 3500 pounds. Patent Pending. Specifications for Camco Tri Leveler: Manufacturer: Camco Additional Features: No Length: 22 cm Weight: 4.33 oz Width: 7.8 in Height: 5 in Package Contents: Camco Tri Leveler