Shouldered neck provides additional strength to prevent neck breakage.
C1030 steel - heat treated.
Self - colored.
Conforms to ANSI B18.15.
Made in the U.S.A.
WARNING: Loading must never be made at an angle greater than 45° from bolt center line or rating capacity is drastically reduced. At a 45° load angle the working load limit should be reduced to 1/4 of the limit.