The M12™ 10 oz caulking gun adapter for quart tubes is a carriage that holds quart-sized tubes of caulk or construction adhesive. It attaches to the M12™ cordless caulking gun and increases the number of different products you can dispense for your projects. The quart conversion kit lets you work for longer periods without having to change out the tube, which in turn lets you finish your task quickly. This carriage is easy to install or remove for when you need to work 10 oz, bulk or sausage packs. This Milwaukee® tool kit can handle 400 lb or more of pushing force so you can effortlessly dispense thick products. Milwaukee® durable design lets you dispense tube after tube until your work is complete. Milwaukee® M12™ Quart Conversion Kit, Specifications: 400 lb Pushing Force, For Use With: M12™ Caulk Gun, Black