General Parts

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. Sheave: 29 mm / 1 1/8 in...

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. Sheave: 40 mm / 1 9/16 in...

Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. Sheave: 2 1/4 in Length: 5 5/8 in Weight: 10.7 oz Shackle pin: 3/16 in Maximum line: 3/8 in Maximum working load: 792 lb Breaking load:...

Ronstan All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life,...

40mm ball bearing block from Ronstan in fiddle block configuration with an included cam cleat. This 40mm range features sheaves running on Acetal bearings that provide high performance & low friction. The 2-stage ball bearing system provides...

40mm ball bearing block from Ronstan in fiddle block configuration. This 40mm range features sheaves running on Acetal bearings that provide high performance & low friction. The 2-stage ball bearing system provides consistent performance under the...

Ronstan swivel cleat bases permit easy cleating and releasing from any angle. This RF6 swivel with cam cleat is perfect for mainsheet systems on small sailboats up to 15 feet and fits line up to 8 mm diameter. Glass fibre reinforced base and cleat arm...

Swivel cleat bases permit easy cleating and releasing from any angle. Sheave can be relocated up or down to allow the control line to feed from below. Series 20 ball bearing sheave Small "T-Cleat" "Fast Track" fairlead

The Harken 240 Swivel Cam Cleat is a simple swivel base for main and jib sheets on very small boats or for control lines on boats of all sizes. This model works with line up to 12 mm and great for large diameter sheets. Height: 49 mm / 1-15/16 inch...

Swivel cleat bases permit easy cleating and releasing from any angle. The adjustable arm controls the height for optimum cleating angle. The dual rows of race ball bearings in the base minimize friction, while the adjustable ratchet system prevents the...

The 16 mm is Harken’s® smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race and has a 250 lb (113 kg) maximum working load...

Low-friction Bullet blocks lead control lines aft. They are compact and lightweight, with fast trim and release under high or low loads. A range of styles lets these blocks adapt to almost all control line applications. Sheave: 29 mm / 1 1/8 in Length:...

Lightweight, low-friction wire blocks carry wire halyards and high-strength control lines on boats of all sizes. Sheave: 1 1/2 in Weight: 2.75 oz Shackle pin: 1/4 in Maximum wire: 3 mm Maximum line: 3/16 in Maximum working load: 1500 lb Breaking load:...

The Ronstan wire block is small and compact. It is made from advanced fiber and polymer technology, making them ten times stronger than steel, yet more lightweight. Use for 420/FJ/V15 Jib Halyard Block  20mm Ball Bearing Lightweight High working...

Designed to work well as a primary lead block on dinghies and catamarans or for control lines on larger yachts, the Ronstan 30 mm ball bearing block range features sheaves running on Acetal ball bearings for high performance and low friction. The 2-stage...

Harken® Lead Rings are simple, weight-saving devices used to route line for jib in-haulers, twings, barberhaulers, lazy jacks, cascading backstays and other applications requiring minimal fine-tune adjustments. Rings are Hard Lube-anodized 6061-T6...