1)bolt clamp 2)For connection of Al conductors bolt clampBimetallic Parallel Groove Clamps with one boltFor connection of Al conductorsMaterial :Body:High strength,corrosion-resistant,aluminum with hot forget bimetallic sheet.Bolts:Steel 8.8,DIN 933,hot-dip galvanized.Nuts:steel 8,DIN 934 hpot-dip galvaniedwasher:steel Corrosion-protectedTorque: M8: 23Nm Parallel groove clamps with one bolt