the body and keepers parallel groove is made of aluminum alloy,the other parts are made of hot dip galvanized steel..

 Material 

1) bolts: High strength,corrosion-resistant,auluminum alloy with hot forged

2) Bimmetallic sheet,for copper tap-off

3) pressure pad: Aluminum alloy,with spring washers hot-dip galvanized

2  Adopts advanced design idea and production technology that making casing ,lead, U-shape screw, pressure-article compact and have good contact in addition to big gripping-power after being assembled.

3  The installation and use is simple, wire-clamps strength is high, without any magnetic hysteresis

al-al parallel-groove clamp/cable clamp