1.Pipe fitting / strut clamp 2.Material: steel or Aluminium,bushing-zinc 3.Standard:USA 4.Cert.:UL ... " to 2" EMT Pipe fitting / EMT coupling / Strut Clamp1.Material:Steel or Aluminium also ok, bushing-Zinc 2.Grade:USA standard3 ... your sample,including size,appearance, material,with your logo,etc. steel Strut Clamp / pipe clamp