Keelboat Parts

High-strength pivoting lead blocks with cams are used for halyard controls on larger keelboats and as head knockers on dinghies and beachcats for sheeting directly from the boom. Hole spacing and rivet size are the same as Classic models, making upgrades...

Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. ONE DESIGN APPLICATIONS This...

Lightweight, low-friction wire blocks carry wire halyards and high-strength control lines on boats of all sizes. ONE DESIGN APPLICATIONS This fitting is commonly used and/or recommended for the following one design sailboat applications: MC Scow...

Stand-up bases allow a wide variety of blocks to be held upright, swivel freely, or pivot so lines have a fairlead under load. The ball-and-socket design lets blocks articulate up to 45 degrees and swivel freely. Th461 bases (high-load version of the...

Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are used for sail controls that see lots of action: mainsheet, runner, halyard, and spinnaker systems. A center...

The Carbo Ratchamatic is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and light-air modes is seamless. ONE DESIGN APPLICATIONS This...

The Carbo Ratchamatic is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and light-air modes is seamless. ONE DESIGN APPLICATIONS This...

Harken 13 mm control blocks spin on stainless steel balls that roll freely under high loads. These traveler car locks are used to create a 2:1 purchase for controling larger traveler systems. Sheave - 16 mm / 5/8 in Maximum line - 5 mm / 7/32 in Maximum...

Intensive development efforts have produced this range of cleats that provide unbeatable holding power, yet are designed for easy cleating and releasing of control lines in every application and load condition. Through the use of advanced composites,...

Use the 237 and 339 where there is little deflection in the line such as when routing a spinnaker pole foreguy aft along the cabin house. Use with Harken 241 cam base. A (mm)32 mm A (in)1 1/4 in B (mm)38 mm B (in)1 1/2 in Fasteners (mm)5 RH...

29mm 90 Degree Traveler Blocks from Harken. 29mm Two single blocks at 90 angle for use with traveler applications Made by Harken

Harken cam cleats utilize a system of multiple rows of ballbearings allowing the line to be cleated by snapping down rather than drawing through. The cams are design to provide maximum holding power without destroying the line. This includes smooth...

Large stainless eyestrap from Harken. ONE DESIGN APPLICATIONS This fitting is commonly used and/or recommended for the following one design sailboat applications: J/22 Traveler Block Eyestrap (x2)    

40mm Carbo Fiddle Block from Harken. 40mm Fiddle block with a becket Made by Harken ONE DESIGN APPLICATIONS This fitting is commonly used and/or recommended for the following one design sailboat applications: J/22 Vang Floating Block (x1) Sonar Lower...

The X-Treme Angle Fairlead allows releasing and recleating at angles up to 90 degrees. Add to a standard Harken cam cleat (not included). ONE DESIGN APPLICATIONS This fitting is commonly used and/or recommended for the following one design sailboat...

Harken ball bearing cam cleats hold lines securely and release instantly for easy, precise trimming. Aluminum Cam-Matics are hardcoat-anodized for high-load, high-wear, continuous adjustment applications. Aluminum construction Works with line diameters...