South Bay Skate Co - 6' Skateboard Rail - Only 26lbs! - 3 Adjustable Height – South Bay Board Co.
Skateboard Grind Boxes – Tagged "grind rail" – EMA Ramps
Amazon.com: Keen Ramps - Skateboard Grind Box - 4ft or 6ft Long - Skate Grind Box for Skateboards, BMX Bikes, Scooters, & Roller Blades - Professional Skateboarding Ramps for Home - Made