Page 27 - Harken
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Williwaw, Stuart Knockabout, 8.53 m (28'), Stuart Knockabout, LLC, naval architect: L. Francis Herreshoff © Tyler Field
CLASSIC BLOCKS
The timeless styling of our Classic block line
enhances your boat’s traditional look. Strong,
dependable and exceptionally free-running, these
compact blocks are the foundation of the Harken
block line. We offer them in multiple configurations
for dinghies, scows, beachcats, iceboats, and small
offshore racers and cruisers.
Which Block
Do I Need?
Corrosion-resistant, maintain beauty
and strength over time
• Ball bearings, sheave, and sideplates are UV-stabilized.
• Corrosion-resistant stainless steel straps reinforce blocks.
Fast trim and release under load
• Free-running ball bearings roll on
flat races with minimal friction.
Materials
For properties
see pages 16-17.
Shackle blocks lock in two directions or swivel to
Delrin 316 Stainless keep line from twisting
®
UV-stabilized: steel:
Ball bearings Sideplate straps • Set screw allows shackle to be fixed or to swivel.
Delrin is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates.
DO NOT use Harken equipment for human suspension unless product is specifically certified and labeled for such use. 37

