Aircraft aluminum construction Dimple holes for maximum traction Rubber-coated steel tongue Rubber-coated stop-pin eliminates slipping and scratching on tailgate Weighs 8 lb. (EU: 3,63 kg) 300-lb. (EU: 136,08 kg) maximum distributed load capacity Sold to dealers in 4-packs only Do not ride motorcycle on ramp at any time.. RAMP, ALUM 6'-MOOSE (4PK)