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...

Midrange blocks’ robust construction makes them ideal to handle the high loads found on medium and large offshore boats. Sheave runs exclusively on a ball bearing system for fast trim and release under any load. ONE DESIGN APPLICATIONS This fitting...

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...

A 75 mm carbo block with swivel from Harken. 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,...

Self-contained sheaves are designed for sailors to use in custom applications. Two 160 sheaves make up the 161 dual-sheave universal lead. Use this sheave to divert a line that must turn in either direction. Sheave - 29 mm / 1 1/8 in Maximum line - 8 mm...

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...

This Ronstan cam cleat fairlead is easily fitted to existing T-Cleat and C-Cleat cam cleats. Allows precise cleating and release from any lead angle with lower entry efforts for off-centre cleating. Made from a tough, abrasion resistant composite...

This cam cleat saddle is used to keep the uncleated line within close proximity to the cleat, facilitating recleating. Made from grade 316 stainless steel and suitable for large Ronstan T-Cleat and C-Cleat cam cleats. Grade 316 stainless steel Weight -...

This Ronstan cam cleat fairlead is easily fitted to existing T-Cleat and C-Cleat cam cleats. Allows precise cleating and release from any lead angle with lower entry efforts for off-centre cleating. Made from a tough, abrasion resistant composite...

This cam cleat saddle is used to keep the uncleated line within close proximity to the cleat, facilitating recleating. Made from grade 316 stainless steel and suitable for medium Ronstan T-Cleat and C-Cleat cam cleats. Grade 316 stainless steel Weight -...

This cam cleat saddle is used to keep the uncleated line within close proximity to the cleat, facilitating recleating. Made from grade 316 stainless steel and suitable for small Ronstan T-Cleat and C-Cleat cam cleats. Grade 316 stainless steel Weight -...

The Ronstan C-Cleat large cam cleat is the product of intensive development efforts, producing a range of cleats that provide unbeatable holding power, yet are designed for easy cleating and releasing of control lines in every application and load...

The Ronstan T-Cleat medium cam cleat is the product of intensive development efforts, producing a range of cleats that provide unbeatable holding power, yet are designed for easy cleating and releasing of control lines in every application and load...