Material: Bracket-Ductile Iron, Grade 654512 Per ASTM A536;RCS Shaft-Per ASTM A29 or A576 Hot-dipped galvanized per ASTM A153, after fabrication Do not exceed 165 ft/lbs of Torque on 7/8" dia. Lifting thread rods during stabilizing or load lock-off. Recommoned anchor shaft cutoff level above the bottom of the footing is 10" to 11" maximum lift distance 5/8"X4-1/2" wedge bolt Notes: OEM service is available, different materials and specifications can be customized according to your demands.