Synthetic Shackle

Rope Tools

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Synthetic Shackle

Our Synthetic Shackle is made from our Ultrex 12-strand Honeywell Spectra® fiber and is Maxijacket High Performance coated for structural firmness and increased abrasion resistance.

It is lightweight and offers a quick connection with no tools required.

Synthetic Shackle Specifications and Data

Larger sizes available, contact us for details.

Diameter (Inches) Minimum Open Length *(Inches) Minimum Increment (Inches) Knot Diameter (Inches) Maximum Diameter **(Inches) Average Break Strength (Lbs) Work Load 5:1 (Lbs)
1/4 7 2 1.1 1.2 11,200 2,240
5/16 9 2 1.4 1.5 23,000 4,600
3/8 11 2 1.7 1.8 34,000 6,800
7/16 12 4 2.0 2.0 43,700 8,740
1/2 14 4 2.2 2.5 63,600 12,720
9/16 16 4 2.5 2.8 76,500 15,300
5/8 18 4 2.8 3.1 90,100 18,020
3/4 21 6 3.4 3.8 127,500 25,500
7/8 25 6 4.0 4.4 166,600 33,320
1 28 6 4.5 5.0 204,000 40,800
1-1/8 32 6 5.0 5.5 251,600 50,320
1-1/4 35 8 5.7 6.0 292,400 58,480
1-1/2 43 8 6.8 7.2 391,000 78,200
1-5/8 47 8 7.5 8.0 484,500 96,900
2 57 8 9.0 9.5 663,000 132,600


* Open length of the shackle describes the length as shown in the image below, omitting the knot.
** Maximum diameter indicates the diameter of an object that the shackle can be closed around. Values represented are based on the minimum open lengths shown.