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| Art No. | Size | Dimensions (inch) | WLL | Weight | ||||
| inch | B | E | P | R | carbon(ton) | alloy(ton) | lb/pc | |
| GK20-1/4 | 1/4" | 0.43 | 0.94 | 0.37 | 2.61 | 0.89 | 1.25 | 0.55 |
| GK20-5/16 | 5/16" | 0.50 | 1.06 | 0.43 | 2.88 | 1.30 | 1.95 | 0.75 |
| GK20-3/8 | 3/8" | 0.57 | 1.31 | 0.47 | 3.31 | 1.82 | 2.38 | 1.21 |
| GK20-7/16 | 7/16" | 0.69 | 1.56 | 0.59 | 3.71 | 2.27 | 3.18 | 2.02 |
| GK20-1/2 | 1/2" | 0.76 | 1.70 | 0.67 | 4.00 | 2.95 | 4.08 | 2.90 |
| GK20-5/8 | 5/8" | 0.91 | 2.00 | 0.75 | 4.92 | 4.20 | 6.12 | 4.75 |
| GK20-3/4 | 3/4" | 1.31 | 2.50 | 1.14 | 6.09 | 5.67 | 8.74 | 10.30 |
