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Harken, Inc.
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Harken

America's Cup Photos: Bob Grieser
Worrell Photos: Gary John Norman
Ladd 53 Photos: Patrick Parsons
Pacific Seacraft Photos: Brownie Lewis


products PRODUCT CATALOG

compu-spec Find the right Blocks for your boat

new products Midyear New Products

brochures 57 mm Flip Flop Blocks

service Installation Manuals
Midrange Use Chart
Big Boat Use Chart
Block Loading vs Angle of Deflection
Rig Dimensions
Rigging Breaking Loads
Stand-up & Footblock Dimensions
Mainsheet System Loading
Mainsheet Loading Calculator
Drilling Guide
Fastener Guide
Fastener Types

Metric Conversions
Weight Calculator
Area Calculator
Length Calculator
Speed Calculator
Temperature Calculator

Limited Warranty
Maintenance

contact Email: technicalservice@harken.com
Phone Technical Service: 262-691-3320
Monday through Friday 7:30 am to 4:30 pm CST



q & a Carbo Blocks
Classic Blocks
Ratchet Blocks
Big Boat Blocks

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Ratchet Overview: Ideas that Click
Mechanical Advantage: 6:1 & 8:1
4:1 Mainsheet for Hobie Wave 13