Gantry/Jib Guard. Prevent costly damage to steel columns, pipe and tubing from carts and fork trucks. Solid steel design is constructed of 3/8" thick material for maximum strength. Ideal for fixed jibs and gantry cranes. Mounting plate measures 17" wide by 13-1/2" deep and features (6) pre-drilled mounting holes. Specs: inside width 10 1/4"; inside depth 10 1/8"; overall height 42".