The Lisle Corporation 24" Locking Tool Holder, No. 49490, mounts to toolboxes and carts to secure up to 13 tools including pry bars, extensions, and air tools. The tool holder offers four 3/8" slots, one 7/16" slot, four 1/2" slots, two 5/8" slots, and two 3/4" slots. A lock feature secures tools to the toolbox without taking up drawer space (lock not included). Slotted mounting holes fit most toolboxes and carts.