1) Body forged carbon steel, pin forged alloy steel 2) Test load is 2.2 times of the WLL. 3) MBS=6XWLL, WLL show on each s SpecificationsH.D.GALV. Grade S bow shackle with safety pin AS27411) Body forged carbon steel, pin forged alloy steel2) Test load is 2.2 times of the WLL.3) MBS=6XWLL, WLL show on each shackle4) Size: 13mm, 16mm, 19mm, 22mm, 25mm, 29mm, 32mm, 35mm, 38mm, 44mm, 51mm, 63mm