UWS TT-45-COMBO 45 Gallon Combo Aluminum Transfer Tank Offset Hinge designed to fit tight against the front of the tank and still allow the lid to open without rubbing Patented fully foamed lid creates a rigid wall between outer aluminum layers to help prevent bending or warping Stainless steel paddle handle lock provides strength,security and long-term corrosion resistance Connecting rod enclosure helps prevent box contents from bending or jamming the locking system Fully Welded One-Piece Tub is designed to support heavy loads, absorb tool drops into the tub and prevent leakage