FY907Ltool box Handle is made with die-cast forming with aluminum alloy,exquisite and durable; Complete with advanced central lock system; Advanced polymers top tray with one time cast molding technique to ensure the top tray is firm and durable. The surface of top tray is easy to clean; Drawer extension: 100%; Small drawer loading capacity:50KG; Large drawer loading capacity:100KG. Overall loading capacity:650KG.