75mm Black Magic® Footblock, Footblock with Lockoff
Harken 75mm Black Magic® Footblock with lockoff allows redirection of lines on the deck.
The entire line of Black Magic® AirBlocks® offer a sleek and polished look. Their unique performance engineering remains the staple of the Black Magic line of blocks. These strong, lightweight blocks feature free-rolling, high-load Torlon® roller bearings for a high strength-to-weight ratio. Used for dynamic high load sail controls including mainsheets, runners, halyards and spinnaker systems.
Air blocks are easy to clean and service. They have few parts and no loose balls or rollers to misplace. Unlike blocks that are riveted, fasteners allow quick disassembly with a single hex wrench.
- Lightweight blocks with high-load Torlon® roller bearings for a high strength-to-weight ratio
- Ideal for sail controls including mainsheet, runner, halyard, and spinnaker systems
- Center cage keeps Torlon® roller bearings separated and parallel to reduce friction
- Sheaves have radiused edges to protect today’s high-tech line
- Footblocks with lockoffs temporarily secure sheets
- Use to handle large loads associated with genoa and spinnaker sheets
- Sheave Diameter: 2 15/16″ (75 mm)
- Max. Line Diameter: 9/16″ (14 mm)
- Max. Working Load (MWL): 5250 lb. (2380 kg)
- Breaking Load: 10500 lb. (4762 kg)
- Weight: 11.28 oz. (320 g)
- Length: 4 3/8″ (111 mm)
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