4Pcs J Shape Hook Crossover Pickup Truck Tool Box Mounting Aluminum Alloy Silver Tone

4 Pcs J Shape Hook Crossover Pickup Truck Tool Box Mounting Aluminum Alloy Silver Tone Description: The clamp is made of Aluminum Alloy material Bolts and washes are made of good quality 304 Stainless Steel. Made of good quality material durable corrosion resistant waterproof and can be used for a long time. Quickly fix the crossover tool box without drilling holes in your truck. Larger clamping area to get extra strength. Installation Instructions: Clamp the hook under the rail. Thread the bolt and gasket through the truck toolbox. Tighten by hands and then further tighten with a wrench. Easy to install without complicated process just use a few minutes.Specification: Condition: Brand New Color: Silver Tone Total Size: 30x28x95mm / 1.18 x1.10 x3.74 (L*W*H) Clamp Size: 30x28x27mm / 1.18 x1.10 x1.06 (L*W*H) Gap Distance: 12mm / 0.4 Gasket Hole Diameter: 8.5mm / 0.33 Thread Size: M8 x 1.25 Thread Length: 6.8cm / 2.68 (After Installation) Material: Aluminum Alloy Stainless SteelNote: Avoid over tighten and a deviation of 1-2 mm is allowed due to manual measurements.Package Included: 4 x Clamps 4 x Bolts 4 x Gaskets