Harken 8mm Stainless Steel U-Adaptor The 1598 U-adaptor allows blocks with up to 15 mm (19/32") posts to be attached to swivel bases or to other blocks with 15 mm (19/32") posts Part Number Weight Shackle Pin Dia. Max...

Harken 27mm High-Beam Endstop - Set of 2 Part Number Use with track/rail HKN-1523 R27HB

Harken 29mm Bullet Sheave Self-contained sheaves are designed for sailors to use in custom applications. The Micro, Bullet, and Big Bullet sheaves are Delrin® with Delrin® ball bearings. They are scored for rope. Delrin® is a registered...

Harken 22mm Endstops - Low-Beam, Set of 2 When end controls are not used, add endstops to absorb shock loads. Part Number Fasteners Use with Track/Rail HKN-173 5mm 2720

Harken 27mm End Control - Double Sheave, Cam Cleat, Set of 2 High-performance end controls allow the installation of 2:1 to 4:1 purchases. Designed for high-performance, free-running systems, Carbo control blocks with Delrin® ball bearings let cars...

Harken 27mm End Control - Set of 2 High-performance end controls allow the installation of 2:1 to 4:1 purchases. Designed for high-performance, free-running systems, Carbo control blocks with Delrin® ball bearings let cars instantly adjust and...

Harken Standard Furling Swivel - 3mm Luff Wire, Shackle Upper halyard swivels feature multiple stacked races of Torlon® ball bearings for smooth rotation under load. Torlon is a registered trademark of Solvay Advanced Polymers L.L.C. Part...

Harken 22mm Slider Battcar - Low-Load Intermediate A Harken® Battcar system along with full-length battens helps raise, douse, and reef with ease and acts as extra crew if you’re sailing shorthanded. Battcar systems outperform in-mast or...

Harken Large Open Shackle, 5mm Forged stainless steel shackles are polished to a high luster and are stamped with the screw pin diameter. Large open shackles have a similar shape to "D" shackles but are proportionally wider for their...

Harken Captive Halyard Shackle, 5mm Forged stainless steel shackles are polished to a high luster and are stamped with the screw pin diameter. These shackles have a secondary pin to keep the shackle permanently secured to the halyard and in the...

Harken 57mm T2 Soft-Attach Block The high-strength composite T2™ is the first block with no metal shackles or rivets. It is used for traveler controls, mainsheets and vangs, cascades, bridles, and other systems where small, lightweight blocks...

Harken Duocam Cam Base - Swivel Ball bearing swivel bases feature dual rows of Delrin® ball bearings that swivel freely even under high loads. Bases include stand-up springs and a U-adaptor to accept a variety of appropriate blocks. The 216...

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 very high working loads for safe, easy...

Harken 57mm Ratchamatic HTE Block - Swivel, 1.5x Grip The Carbo Ratchamatic® is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and...

Harken 57mm Ratchamatic Block - Swivel, 1.5x Grip Power3 ratchet blocks provide sailors that race small one-designs with three holding-power options to handle a variety of wind and sea conditions. More choices allow sailors to fine-tune their set-ups...

Harken 57mm Ratchamatic HTE Block - Swivel, 2x Grip The Carbo Ratchamatic® is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and...

Harken 40mm Flip-Flop Block - Cam Cleat Small Boat Flip-Flop blocks pivot around the line axis to keep the line close to the deck or mast. Hinged construction allows for various lead angles so sailors can shift their weight placement for changing...

Harken 40 mm Flip-Flop SB Block - Cam Cleat Small Boat Flip-Flop blocks pivot around the line axis to keep the line close to the deck or mast. Hinged construction allows for various lead angles so sailors can shift their weight placement for changing...

Harken 18mm Fly Soft Attach Triple Block Harken soft-attach Fly blocks are designed to provide strength beyond mass, providing big power in a low-aero package. Designed specifically for high-tech line, these efficient blocks have an incredible working...

Harken 29mm Double Upright Lead Bullet Block 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...