The KSO8 debut is the first element of a KSO fairlead. It incorporates a first sheave. The KSO8 is a low friction fairlead provided by a self-lubricated sheave, it is made up of several interlocking elements that can be installed in an arc. The center distance of the screws makes it possible to mount a KJ2 or KJ3 blocker on top. With 3 elements (start – middle – fire), you compose the...

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.

These smooth-running powerful performers make trimming easy, no matter how hard the wind blows. Carbo Air blocks are made of tough reinforced composite in a size and style to fit any system: singles, doubles, triples; soft and hard attach. Perfect for main, jib and spinnaker sheets on dinghies and sportboats; control lines on boats of all sizes. Lightweight, strong and reliable...

Ronstan Block 30mm Single Swivel

Harken Black Magic Block 75mm Aluminium Stand-up

Allen 20mm Dynamic Block Double with Becket

Harken Zircon Block 40mm Double Soft Attach Zircon blocks help trimmers match sail shapes to new conditions immediately. At the core of the Zircon performance are industrial ceramic ball bearings mounted inside caged races. The cages keep these bearings separated so they don’t bunch, touch, and stop each other.

Harken Zircon Block 57mm Single Soft Attach Zircon blocks help trimmers match sail shapes to new conditions immediately. At the core of the Zircon performance are industrial ceramic ball bearings mounted inside caged races. The cages keep these bearings separated so they don’t bunch, touch, and stop each other.