A portable Skateboard & BMX trick ramp and grind rail combination will open up a whole new array of trick possibilities. Package includes (1) Large 25-1/2"W x 29"L launch ramp (70. 5°) and (1) 56"L x 1-1/4"D Grind rail attachment. Rugged molded plastic material with a traction ramp surface. Must be secured firmly in place for the best performance and safety (includes mounting screws). This system, s also great for experienced in-line Skaters, snowboarders and Sand-boarders. BMX Skateboard Ramp with Grind Rail * Increases skateboard and BMX trick possibilities with a single launch ramp and rail combination for riders up to 250 lbs. * (1) Large 25-1/2"W x 29"L launch ramp (70.5°) * (1) 56"L x 1-1/4"D Grind rail attachment * Rugged molded plastic material with a traction ramp surface * Must be secured firmly in place for the best performance and safety (includes mounting screws)