ITEM NAME:1pc Automobile Cap Topper Camper Shell Mounting Clamps for Tite Lok Clamps Weightï ¼Å¡0.29kg Sizeï ¼Å¡10.5*9*3.5cm Materialï ¼Å¡Aluminum Silverï ¼Å¡Silver Description: 2" throat Depth Max Clamp Thickness 1 9/16" thick Clamp is 1.125" wide Designed for mounting truck caps with fiberglass or aluminum rails Material: Aluminum Specification: Color: Silver Size: 85x30x78mm/3.35x1.18x3.07Inch Package Includes: 1 Piece Screw 2 Pieces Clamps SKU: DMO0008549652037781.1 Piece Screw. SKU: DMO0008549652037781. Clamp is 1.125" wide. Max Clamp Thickness 1 9/16" thick.