Features: High Copper Alloy Ground Connector For Joining A Wide Range Of Two Parallel Cables To 1/4 IN Thick Bar, Type GC Separates Cable From Bar, GCM Clamps Cable To Bar Surface, One-Wrench Installation, UL467 Listed, The High Copper Alloy Cast Body And DURIUM Bolts, Nuts, And Lockwashers Make The GC And GCM Suitable For Direct Burial In Concrete Or Ground, Width: 2-7/8 IN, Installation Torque: 240 IN-LB, Bar Thickness: 1/4 IN, Height: 2-7/8 IN