Harken 57 mm Single Zircon Block
Technical Description
| Part No. | Description | Sheave ø | Length | Weight | Max Line ø | ||||
| 57mm Single Zircon Block | in | mm | in | mm | oz | g | in | mm | |
| 2185 | 29 mm Single | 1 1/8 | 29 | 1 11/16 | 43 | 0.37 | 10.5 | 1/4 | 6 |
| 2186 | 29 mm Single w/Becket | 1 1/8 | 29 | 2 1/8 | 54 | 0.44 | 12.6 | 1/4 | 6 |
| 2187 | 29 mm Double | 1 1/8 | 29 | 1 11/16 | 43 | 0.72 | 20.4 | 1/4 | 6 |
| 2188 | 29 mm Double w/Becket | 1 1/8 | 29 | 2 1/8 | 54 | 0.79 | 22.5 | 1/4 | 6 |
| 2189 | 29 mm Triple | 1 1/8 | 29 | 1 11/16 | 43 | 1.07 | 30.4 | 1/4 | 6 |
| 1211 | 29 mm Triple w/Becket | 1 1/8 | 29 | 2 1/8 | 54 | 1.15 | 32.5 | 1/4 | 6 |
| 2190 | 40 mm Single | 1 9/16 | 40 | 2 3/8 | 60 | 0.81 | 22.9 | 5/16 | 8 |
| 2191 | 40 mm Single w/becket | 1 9/16 | 40 | 2 7/8 | 73 | 0.93 | 26.5 | 5/16 | 8 |
| 2192 | 40 mm Double | 1 9/16 | 40 | 2 3/8 | 60 | 1.58 | 44.7 | 5/16 | 8 |
| 2193 | 40 mm Double w/becket | 1 9/16 | 40 | 2 7/8 | 73 | 1.68 | 47.6 | 5/16 | 8 |
| 2194 | 40 mm Triple | 1 9/16 | 40 | 2 3/8 | 60 | 2.35 | 66.5 | 1/4 | 6 |
| 1212 | 40 mm Triple w/Becket | 1 9/16 | 40 | 2 7/8 | 73 | 2.47 | 70 | 1/4 | 6 |
| 2195 | 57 mm Single | 2 1/4 | 57 | 3 1/8 | 79 | 1.58 | 44.8 | 3/8 | 10 |
| 2196 | 57 mm Single w/becket | 2 1/4 | 57 | 3 3/4 | 95 | 1.81 | 51.4 | 3/8 | 10 |
| 2197 | 57 mm Double | 2 1/4 | 57 | 3 1/8 | 79 | 3.05 | 86.4 | 3/8 | 10 |
| 2198 | 57 mm Double w/becket | 2 1/4 | 57 | 3 3/4 | 95 | 3.27 | 92.7 | 3/8 | 10 |
| 2199 | 57 mm Triple | 2 1/4 | 57 | 3 1/8 | 79 | 4.52 | 128 | 3/8 | 10 |
| 1213 | 57 mm Triple w/becket | 2 1/4 | 57 | 3 3/4 | 95 | 4.73 | 134 | 3/8 | 10 |
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harken Zircon Block
Harken's Zircon block spins at least 4x, 5x longer than a Carbo block. Beyond impressive. Give it a good flick & it will spin for 15-20 seconds. If you're trying to minimize friction (spin sheets) this is a (not cheap) upgrade.
