Stainless steel is resistant to rust and corrosion making this cantilever toolbox highly durable and can be used in critical environments where the minimum contamination level is not permitted. The Beta Tools C20L toolbox features sturdy stainless steel construction with four upper trays that lift up and out of the way via cantilever design for easy access to the large, lower compartment. The heavy-duty tubular handles fold down for compact storage. A hole through both lids accepts a padlock for security. Load Capacity 55 lbs. This toolbox measures 22" long x 8" wide x 8" high (12" with handle up). The lower compartment measures 3 3/4" deep, and each cantilevered tray measures 1 1/8" deep x 3 3/4" wide. Tools sold separately. Can be autoclave sterilized at 121 degrees. Made of AISI 304 Stainless steel.