Custom Collab Rails with Snot Wheel Company! 3/8” thick. 13.5” long. For the ultimate drippy slides.All rails are made in the USA. CNC-machined, using an extremely durable high molecular plastic that is made to slide and last. Most other skateboard rails on the market are injection molded which weakens the quality of the material. Mounting screws are provided as well as double stick tape on the backs of the rails to help with installation and minimize rattling.