Sold Individually with Four Truss Head Bolts (2 inch) and Nuts. A RipTide sticker is included! Designed for Electric Skateboards, our Tunnel Riser is similar to a riser pad for mounting trucks but has space to keep wire cords safe between the trucks and board. Conforms slightly to fit the concave of your board Custom 60D Urethane Formula Super Durable with long life Lightweight 1.3 oz / 36 gm Length: 3.25" / 82.55 mm Width: 2.25" / 57.16 mm Height: .55" / 14 mm The Tunnel Riser is designed for eSk8 applications when you want to route wires underneath the trucks for a clean installation on your electric skateboard. They can also be used on conventional skateboards if you want to route a cable lock under the trucks to discourage theft! Please review the drawing specifications to be sure that what you want to use them for will work - and if you still have any questions, please Contact Us. We owe a huge thanks to the DIY eSk8 Community for helping us design and refine the Tunnel Riser! Please remember to always wear a Helmet & Safety Gear and Skate Like There Is A Tomorrow!