PREMIUM MATERIALS: This truck tool box mounting kit is made of high-quality aluminum alloy and is durable enough to handle harsh environments.PERFECT FIT: Truck Pickup J-Hook style tie downs cover more surface area for a more secured fit, and secure your case well without vibration.EASY INSTALLATION: The tool box tie downs fit nicely in the pre-slotted holes in most popular truck tool boxes and makes it quick and easy to mount truck tool boxes without special tools or drilling SUITABLE FOR: These toolbox mounting kits fit all makes and models of trucks, securely holds any crossover kit, and can be used with other cargo management systems.Dimensions: Aluminum Clamp Dimensions 1-1/8" x 1-1/16", Bolt Length 3-5/8"Packing List: 4pcs *J Type Fixing ClipsDoes not contain other items other than the product