South Bay Skate Co - Quarter Pipe Skateboard Ramp - 2' Tall x 4' Wide - by Keen Ramps – South Bay Board Co.
600mm High Quarter Pipe | Ossy Tossy Skate Co.
Mini Half Pipe - 3'H x 8'W x 16'L – SB Skate Ramps
HOW TO BUILD A D.I.Y QUARTER PIPE SKATE RAMP *easiest way* - YouTube
Amazon.com: OC Ramps Quarter Pipe (2' Tall x 3' Wide) - Durable Wood Skateboard Ramp Kit - Store Easily in the Garage - Great for Home or Professional Use and also Works