Shop-Vac Drain Hero Tool can be used with 1-1/4 in , 1-1/2 in and 2-1/2 in hose ends. This versatile accessory can be used to unclog sinks, showers and tubs. It can also retrieve valuables lost in a drain. It is not recommended for use on toilets. It is made of from pliable rubber. Drain Hero is a registered trademark of Nice Life, Inc.