Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats of all sizes.

Harken Carbo T2 Block 29mm Single Soft Attach

Harken Carbo 40mm T2 Block With Open Center

Harken Carbo T2 Block 57mm Loop Anchor Post

Harken Carbo T2 Block 57mm Single Soft Attach

Harken Fly Block 18mm Single Soft Attach

Harken high-load Fly blocks were developed specifically for use with high-tech line. Efficient, and with an incredible working load for their small size, Fly blocks give sailors the power they need and are perfect for use on foiling dinghies and sportboats and for vang cascades and backstay systems on Grand-Prix racers

Harken Fly Block 18mm Single Narrow

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,...

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

Harken Carbo 40mm Single Block Asymetric Kit

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...