Harken 40mm Double Block - Swivel, Becket Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, compact...

Harken 40mm Block - Swivel, Becket Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks...

Harken 40mm Cheek Block - Becket Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have...

Harken 40mm Ratchet Block with Swivel, Becket Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. 2608, 2609, and 2614 have on/off...

Harken 40mm Triple Block - Swivel Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have...

Harken 40mm Fiddle Block - Swivel, Becket Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken® Black Magic® line, these small, compact...

Mid range 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...

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...

Harken Double Block with Becket, 2.25" The 2.25 in (57 mm) blocks are compact and lightweight, with fast trim and release under high or low loads. Perfect for dinghies, scows, beachcats and...