Cargo Bed Gate For GMC ~ Canyon ~ 2004-2018 ~ Black/Aluminum ~ (Fits Under Side Rails), Adjustable Width 58.65 - 63", Height 17" No Tools are Needed. Holds Up to a 65-Pound Static Load. Works with Bed Liners and Bed Covers except for covers with a track system because they impede the side rail attachment. Made of Anodized Aluminum, HD Nylon Plastic and Stainless Steel Components. Limited Lifetime Warranty.