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44mm Harken Mastbase Blocks

44mm Harken Mastbase Blocks

Lightweight, low profile

Choice of Sheave Diameter

Flared cheeks to prevent halyard chafe

Can be grouped in small areas at the mastbase 

High-load bearing system with PTFE composite bushing and sideload balls

High Strength Hardkote anodised aluminium sheave

£99.00

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Harken Mastbase Halyard Leads are lightweight, low-profile with a narrow base for optimum grouping at the base of the mast.

Harken Mast Base Halyard Leads: Facts, Features and Plus Factors

  • Lightweight
  • Low Profile
  • Choice of Sheave Diameter
  • Flared cheeks to prevent halyard chafe
  • Can be grouped in small areas at the mastbase 
  • High-load bearing system with PTFE composite bushing and sideload balls
  • High Strength Hardkote anodised aluminium sheave
Harken Description MBL MWL Weight Maximum Line Diameter
1986 44mm halyard lead 680kg 340kg 95g 10mm
1988 57mm Mastbase 2273kg 1136kg 175g 10mm
1990 76mm Mastbase 4545kg 2273kg 326g 12mm

MBL = Harken Manufacturer Break Load

MWL = Harken Maximum Working Load