Blue Wave Stainless Steel Plain Sheave 25.5*12.8*10.3mm

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 Block 50mm Protexit™ Exit

Allen 20mm Dynamic Block Double with Becket

Harken Carbo Block 40mm Fiddle Swivel Becket Cam Cleat The 40 mm fiddle is an excellent choice for 3:1 and 4:1 tackles on dinghy vangs and mainsheets, as well as for controls such as cunninghams and internal boom outhauls on larger boats.