Blocks - Stand-Up

Stainless sideplates are mirror-polished for durability and unmatched esthetics. The ultralight composite bearing system (ULC) rides on a heat-treated stainless steel inner race to handle extremely high loads.Sheave ∅ (mm)175mmWeight (kg)8...

Stainless sideplates are mirror-polished for durability and unmatched esthetics. The ultralight composite bearing system (ULC) rides on a heat-treated stainless steel inner race to handle extremely high loads.Sheave ∅ (mm)150mmWeight (kg)6...

Stainless sideplates are mirror-polished for durability and unmatched esthetics. The ultralight composite bearing system (ULC) rides on a heat-treated stainless steel inner race to handle extremely high loads.Sheave ∅ (mm)150mmWeight (kg)6...

Stainless sideplates are mirror-polished for durability and unmatched esthetics. The ultralight composite bearing system (ULC) rides on a heat-treated stainless steel inner race to handle extremely high loads.Sheave ∅ (mm)125mmWeight (kg)3...

Stainless side plates are mirror-polished for durability and unmatched aesthetics. The ultralight composite bearing system (ULC) rides on a heat-treated stainless steel inner race to handle extremely high loads. Note: DO NOT use Harken equipment...

Stainless side plates are mirror-polished for durability and unmatched aesthetics. The ultralight composite bearing system (ULC) rides on a heat-treated stainless steel inner race to handle extremely high loads. Note: DO NOT use Harken equipment...

Harken 75mm Aluminium Stand-up Block Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are used for sail controls that see lots of action. Sideplates and sheaves...

 The highest strength-to-weight ratio  Minimal friction loss, especially when working at high loads  Totally reliable and trouble free performance  Simplicity of design and construction to facilitate maintenance and...

 The highest strength-to-weight ratio  Minimal friction loss, especially when working at high loads  Totally reliable and trouble free performance  Simplicity of design and construction to facilitate maintenance and...

Harken Black Magic Air Blocks - 57mm Aluminium Stand-Up Block Black Magic Air blocks are a top favourite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are used for sail controls that see lots of action...

Harken 80mm Aluminium Element Stand-Up Block Stand-up blocks are an addition to Harken's Element line. Use them for sheeting and halyard systems, running backstays, controls and other applications where you don’t want the block to hit the deck...

Harken 27mm End Control - Double Sheave, Cam Cleat, Set of 2 Stand-up toggles hold blocks upright on travelers. Stand-up toggles with control tangs allow attachment of control blocks. Part Number Height Max. Working Load Mainsheet...

Harken 32mm Stand-Up Toggle Stand-up toggles hold blocks upright on travelers. Includes a replacement headpost for 1971 75 mm Black Magic® Air® blocks and 1993, 3007, and 3008 100 mm Black Magic Air blocks. Part...

Harken 60mm Aluminium Element Stand-Up Block Stand-up blocks are an addition to our Element line. Use them for sheeting and halyard systems, running backstays, controls and other applications where you don’t want the block to hit the deck. Element...

Harken 45mm Aluminium Element Stand-Up Block Stand-up blocks are an addition to our Element line. Use them for sheeting and halyard systems, running backstays, controls and other applications where you don’t want the block to hit the deck. Element...

Harken 27mm End Control - Double Sheave, Cam Cleat, Set of 2 Stand-up toggles hold blocks upright on travelers. Stand-up toggles with control tangs allow attachment of control blocks Part Number Height Max. Working Load Mainsheet...

Core Blocks™ are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads...

Core Blocks™ are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads...

Stand-up bases allow a wide variety of blocks to beheld upright, swivel freely, or pivot so lines have a fair lead under load. Use the 1634 stand-up base with Midrange blocksand 57 mm or 75 mm Cruising ESP blocks. Block headpost fits into socket without...

Core Blocks™ are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads...