36 inch Heavy Duty Black Aluminum Tread Tool Box. Overall Size: 36″(L) x 17.1″(W) x 17.9(H). Surface Finish: Powdercoated Black Aluminum. Tread Pattern Strengthens the Aluminum for Maximum Durability. Rigid Construction: Tread pattern strengthens the aluminum for maximum durability. Under Body Tool Box: This box conveniently mounts under your vehicle for space saving storage. Weather-Resistant Seal: The door features a weather-resistant rubber seal for keeping all items inside dry and safe. Protective Lock Cap: The lock features a cap which will keep water or duct from entering the lock, ensuring the locks performance for years. Drop Down Door: Drop down door provides full access to the box. Lockable: Built-in lock ensures all items are kept safe and secure. All Purpose: Perfect for storing your tools in your vehicle or at home. With Lock and Keys: This aluminum box has two lock and keys so you can safely use it to prevent things from being lost. Perfect Tool Cabinet for Anywhere: This tool box can be mounted on a hitch rack, cargo rack of your camper, perfect for the tongue of your enclosed trailer, suitable to be installed on the rear of your RV for extra storage.