57mm Block Single Swivel
Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are used for sail controls that see lots of action: mainsheet, runner, halyard, and spinnaker systems.
In stock
SKU
HK3215
€229.95
€229.95
Harken® 57mm Block Single Swivel HK3215
Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are used for sail controls that see lots of action: mainsheet, runner, halyard, and spinnaker systems.
Specifications
| Article | Sheave dia. mm | Length mm | Shackle pin mm | Weight gr. |
|---|---|---|---|---|
| HK3215 | 57 | 119 | 6 | 152 |
| HK3217 | 57 | 132 | 8 | 336 |
| HK3218 | 57 | 152 | 8 | 352 |
| HK3226 | 57 | 119 | 6 | 154 |
| HK3227 | 57 | 114 | 6 | 200 |
| HK3229 | 57 | 140 | 6 | 169 |
| HK3231 | 75 | 129 | 8 | 331 |
| HK3232 | 75 | 157 | 8 | 363 |
| HK3233 | 75 | 134 | 10 | 721 |
| HK3239 | 75 | 146 | 12.7 | 318 |
| HK3246 | 100 | 203 | 10 | 623 |
| HK3251 | 100 | 157 | 15.9 | 481 |
| Series | Black Magic |
|---|---|
| Model | 57 mm |
| Sheaves Ø | 57 mm |
| Number of sheaves | 1 |
| Bearing | Needle bearing |
| Max rope diameter | 12 mm |
| Swivel | Yes |
| Cam | No |
| Ratchet | No |
| Breaking Strength (kg) | 2268 |
| Safe Working Load (kg) | 1134 |
