Our Synthetic Shackle is made from our Ultrex 12-strand High Modulus Polyethylene (HMPE) fiber and is Maxijacket High Performance coated for structural firmness and increased abrasion resistance.
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 |
| Diameter (mm) | Minimum Open Length *(mm) | Minimum Increment (mm) | Knot Diameter (mm) | Maximum Diameter **(mm) | Average Break Strength (kg) | Work Load 5:1 (kg) |
| 6 | 0 | 0 | 0 | 0 | 5,080 | 1,016 |
| 8 | 0 | 0 | 0 | 0 | 10,433 | 2,087 |
| 10 | 0 | 0 | 0 | 0 | 15,422 | 3,084 |
| 11 | 0 | 0 | 0 | 0 | 19,822 | 3,964 |
| 13 | 0 | 0 | 0 | 0 | 28,848 | 5,770 |
| 14 | 0 | 0 | 0 | 0 | 34,700 | 6,940 |
| 16 | 0 | 0 | 0 | 0 | 40,869 | 8,174 |
| 19 | 0 | 0 | 0 | 0 | 57,833 | 11,567 |
| 22 | 0 | 0 | 0 | 0 | 75,568 | 15,114 |
| 25 | 0 | 0 | 0 | 0 | 92,533 | 18,507 |
| 29 | 0 | 0 | 0 | 0 | 114,124 | 22,825 |
| 32 | 0 | 0 | 0 | 0 | 132,630 | 26,526 |
| 38 | 0 | 0 | 0 | 0 | 177,354 | 35,471 |
| 41 | 0 | 0 | 0 | 0 | 219,765 | 43,953 |
| 51 | 0 | 0 | 0 | 0 | 300,731 | 60,146 |
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.
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