This four piece connection pack is designed for connecting 32mm diameter power tool hose to power tools and bench top machinery. The kit contains two threaded ports that screw on to a 32mm hose, made from a flexible rubber that is tapered to fit most power tool and bench top machine dust ports. The smaller rubber port has an outside diameter of 30mm and an internal diameter of 25mm and the larger rubber port has a 45mm outside diameter and a 37mm inside diameter.