Use this bracket to place Add-On Tubs onto your Material Handling Cart. Add-On Tubs for Material Handling Carts are perfect for additional storage, organization, or sorting needs. The tubs are able to increase storage capacity by nearly fifty percent by hanging off the front or back of the cart. Material Handling Carts are able to support two Add-On Tubs in order to increase its storage capacity. Each add-on tub requires the purchase of this tub bracket in order to install the tub onto the cart.