Strength

1500 (Static); 70 (Dynamic) lb; ft-lb
1500 volts
32 ECT
Basic
Basic-Duty
Extra Heavy
Extra Space-Saving
Extra Strong
Heavy
Heavy-Duty
High
High Strength (Weld-On)
Light
Medium
Medium-Duty
Regular
Standard (Cast Products)
Strength
Tensile strength to MIL 23190 E Military Spec