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HA0071 - Harken #071 Stand Up Spring : A dimension 51 mm, B
Big Boat Blocks

Sculpted sideplates, Full-saturation Hardkote anodized, Teflon® impregnation, Radiused edges protect line - No climb-out deep-groove sheaves - Center-caged captive Torlon® rollers, Reduce friction–no roller-to-roller contact, Easy maintenance, Improves efficiency - Carbon-black Delrin® balls in captive race - Dissimilar metals isolated–no corrosion - Three-way head system

Carbo Air Blocks

Low-friction Carbo AirBlocks® are lightweight, strong, reliable—and affordable.These are features all sailors look for when choosing sail controls and a real breakthrough in block design. Companions to Harken’s® popular Black Magic® line, these small, compact blocks have very high working loads for safe, easy trimming no matter how hard the wind blows. Sideplates of high-strength engineering resin are UV stabilized to provide excellent protection against long-term exposure to salt water and sun. Carbo blocks are perfect for the small-diameter hard lines favored by racers.
Classic Blocks

Harken® Classic blocks have stood the test of time. For over 35 years, these strong, light and exceptionally free-rolling blocks have provided both racers and cruisers dependably correct hardware for every trimming task. Ball Bearings: Carbon-black Delrin® ball bearings roll on flat races for exceptionally free-running blocks. Stainless Steel Sideplates: High-strength stainless steel sideplates distribute load evenly. UV Protection: Black ball bearings and sideplates are US-protected to provide maximum durability. Three-way Head: Three-way head locks shackle in front or side positions, or swivels freely to keep line from twisting.

Complementary Hardware

Harken's complementary hardware completes systems on boats.
Harken Bags/Luggage


Headsail Handling Systems

Mainsail Handling Systems

Ball bearing cars - Receptacles for flat/round battens - Track mounts without unstepping mast - Drill/tap option for external track masts - Intermediate cars hold sail to mast - Order Battcars based on boat type/sail area

Sailing Wear & Mclube

At Harken, the're committed to developing gear that gives you an edge. From free-rolling hardware to high-performance sailing accessories like shoes, sunglasses and gloves, everything they design helps you focus on sailing instead of your gear.
Stainless Steel Shackles

HA2108 - Harken 2108 Shackle D Shaped 6mm

Travelers & Genoa Leads

BIND-FREE STAND-UP TOGGLE - Stand-up toggle holds mainsheet block upright off deck.Toggle attaches low inside car so off-angle mainsheet loads apply less leverage on balls, allowing cars to roll freely. Cars accept loads to 40-degrees from vertical without binding. Carbo or Black Magic® control blocks attach directly to toggle ears to reduce load on car so bearings don’t bind. STRONG, LIGHT CAR BODY -One-piece solid 6061-T6 aluminum construction for strength and durability.CNC sculpted to remove excess weight. CAPTIVE BEARINGS - Wire guides keep balls captive making cars easy to load and maintain.Guides circulate free-rolling Torlon® bearings smoothly under both high and low loads.  LONG-LASTING PROTECTIVE FINISH - Car bodies and bearing races are deep-saturation Hardkote-anodized for strength and durability, and UV-stabilized with black additive for maximum protection. THE HARKEN DIFFERENCE - Since our introduction of the recirculating ball bearing traveler twenty-five years ago, thousands of racers and cruisers have depended on these strong, lightweight systems for free-running control and fast sail shape on all points of sail.

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