Pipe Clamp - TOOGOO(R) 1.1" Hole Dia T Shape Lean Tube Connector Pipe Clamp Clip Two ports pipe clamp, it used to connect two lean tubes to construct T shape position apparatus. Widely applied in the production line system of marking machine, printing machine, digital camera, projector, computer, goods shelves, etc. Connect with a pair of M6 screw and nut.