EXTENSION FOR MUTLI HELIX SCREW ANCHORExtensions are 1-1/2" square shank rods with a hollowed square end for engaging the Multi Helix Screw Anchor. Extension has a hole drilled in top of shank for engaging bolt of Guy Adaptor. The Extensions are equipped with Hex Bolt for securing the anchor. Extensions have a typical working torque of 5.000 ft. lbs. All components of Extension for Multi Helix Screw Anchor are hot dip galvanized to meet ASTM Specification A153 Class C.