Under Bed Tool Boxes are designed for heavy-duty trucks and semi trucks to keep larger, heavier items and tools secure, yet easily accessible. The Model 631-5-02 is an aluminum diamond plate compact size underbed truck tool box with a storage capacity of 5.4 cu ft. The Gloss Black ARMOR TUF® Powder Coat finish ensures years of dependability. The rotary style, two position latch helps protect against theft and weather.