Designed to pus attachment or other similar hoses conveniently The magnet is strong enough to keep the pus /Regulator in place in or out of the water. With strong and sturdy snap clip, quick clip design makes it easy to place Can be attached to the BC, to your second stage hose effectively Great accessories for scuba diving, snorkeling Height: . 5.5 cm/2.2 inch Outer Diameter: . 2.5 cm/1 inch Round Hole Inner Diameter: . 1.3 cm/0.5 inch Model Number: Regulator Hose Holder color:Red :Aluminum + plastic Package Contents: 1 x Regulator Hose Holder Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.