Discount Ramps SK-906-R Black Set of (2) 12" High Skateboard Launch Ramps, 2 Pack Great for skateboarding, BMX, inline skating, Sand boarding, snow boarding, RC cars, and more Durable, single piece molded plastic with textured surface for added Traction during launch - 2 pack 2 rear mounting points on each ramp Must be mounted in place for optimal performance and safety (mounting screws included) Maximum capacity of 250 lbs