HARKEN Black Magic® Air Runner, 75mm, Runner Block
Harken 75mm Black Magic Air Runner Block allows adjustments and tuning of mast bends for different wind conditions.
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
Use on running backstays with offshore boats
Recessed cotter key won’t snag lifelines
Sheave Diameter: 2 15/16" (75 mm)
Max. Line Diameter: 9/16" (14 mm)
Max. Working Load (MWL): 5000 lb. (2268 kg)
Breaking Load: 10000 lb. (4544 kg)
Weight: 10.16 oz. (288 g)
Length: 4 5/8" (118 mm)
Black Magic® Air Runner, 75mm, Runner Block
9/16 Inch or 14 mm
No Integral Cleat
4 5/8 Inches
Fixed Lashing Eye
Safe Working Load
Other fine products
Let's find some more for you
Sign up for Offers and Discounts
Occasionally we have some killer discounts available only to our email subscribers. Add your email below to get notified!