Transforms the Snap-Loc Dolly into a Platform Truck/Push Cart for pushing and pulling heavy items with ease! Bars measure 20-1/2" wide x 32" tall with 17-1/2" between and are made from heavy duty steel protected with a durable heat treated powder coat. Another great feature of bar sets is our multipoint disconnection design great for storing away in a small space. Bars are transformable, 2 Two Push Bar Sets + 1 Extension Bar Set = 1 Panel Bar Set. Snap-Loc also offers a variety of System Accessories and Straps for most every type of application. Snap-Loc is Ultimate Cargo Control!