Nominal Size (in.) Diameter of Bow Carbon Maximum Working Load (Tons) Alloy Maximum Working Load (Tons) Inside Width at Pin (in.) Diameter of Pin
3/16 1/3 n/a .38 .25
1/4 1/2 n/a .47 .31
5/16 3/4 n/a .53 .38
3/8 1 2 .66 .44
7/16 1-1/2 2.6 .75 .50
1/2 2 3.3 .81 .63
5/8 3-1/4 5 1.06 .75
3/4 4-3/4 7 1.25 .88
7/8 6-1/2 9.5 1.44 1.00
1 8-1/2 12.5 1.69 1.13
1-1/8 9-1/2 15 1.81 1.25
1-1/4 12 18 2.03 1.38
1-3/8 13-1/2 21 2.25 1.50
1-1/2 17 30 2.38 1.63
Insure screw pin is tight before each lift.
Use bolt type shackle for permanent installation.
Do not side load round pin shackle.
Use screw pin or bolt type to collect slings.
Probably not. Notice it says no side loads, which are a problem in a breakaway.