1.Production with high quality metal alloy 2.From 3/8" to 4" mainly suit for the pipes, conduit, hose 3.waterprrof 1).Production with high quality metal or metal alloy of different specification 2).From 3/8" to 4" mainly suit for the pipes, conduit, hose.Packing:Cartons or plastic bags(selected by customers)Any interesting, contact freely. you will be answered ASAP