Organize a variety of items efficiently. Use the compartments surrounding the handle, the supply drawer and side pockets. Centered soft rubber gripped handle keeps balance during transport. Rotate the ratcheting handle out of the way for quick loading. Replace insert and wash tray for easy cleanup. ABS tray, polystyrene insert and Delrin test tube rack. Tray comes with either a 13mm OneRack test tube rack and two disposable polystyrene inserts. Measures 429mm length by 265mm width by 172mm height.