Simpson 5 x 7 Heavy L-Shaped Angle Hot-Dip Galvanized HL57HDGModel No. HL57HDG Description. Angle Gauge. 7 Width 1 (in.) 5 3 4 Width 2 (in.) 5 3 4 Length (in.) 7 1 2 Coating Material. Hot Dip Galvanized Product Guide & SPECS : View Specifications The HL is a versatile angle designed to improve corner stability. This multipurpose connector helps promote standardization and construction economy. The L shaped design of this heavy utility strap makes it ideal for a variety of applications where two members meet at