CHRISTMAS & NEW YEAR BUSINESS HOURS
Thank you for your continued support & partnership with The Boat Warehouse. We wish you a safe and relaxing holiday period.
Please note that orders placed after Wednesday December 11th may not arrive in time for Christmas.
The Boat Warehouse will be closed from 4:00pm on Tuesday December 24th and will re-open at 9:00am on Monday January 6th 2025.
No on-line orders will be shipped during this period.
Harken 57mm Double Over-The-Top Block
Over-the-top blocks lead lines aft over cabin houses, coamings, and splashguards.
| Part Number | Sheave Dia. | Length | Width | Weight | Max. Working Load | Breaking Load | Number of Fasteners |
|---|---|---|---|---|---|---|---|
| HKN-3003 | 57 mm | 83 mm | 62 mm | 346 g | 1136 kg | 5000 kg | 4 |
Harken
Harken 57mm Over-The-Top Block Over-the-top blocks lead lines aft over cabin houses, coamings, and splashguards. Part Number Sheave Dia. Length Width Weight Max. Working...
Harken
Harken 57mm Triple Over-The-Top Block Over-the-top blocks lead lines aft over cabin houses, coamings, and splashguards. Part Number Sheave Dia. Length Width Weight Max...
Harken
Harken 57mm Double Block - Swivel, Becket Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, compact...
Harken
Harken 57mm Aluminium Double Loop Block Part Number Sheave Dia. Weight Max. Line Dia. Max. Working Load Breaking...
Harken
Low-friction Carbo Air blocks are lightweight, strong, reliable and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for...
Harken
Harken 57mm Aluminum Double Block - 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...
Harken
Harken 57mm Aluminium Double Block - Swivel, Becket Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are...
Harken
Harken 57mm Block Swivel Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high...
Harken
Harken 57mm Cheek Block Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high...
