Blocks - Stand-Up

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 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 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 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 29mm Stand-up Block 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 40mm Stand-up Block 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 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...

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 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 Stand-Up Toggle - 6 or 8 mm Pin Stand-up toggles hold blocks upright on travelers. Part Number Mainsheet Block Pin Dia. Max. Working Load Height HKN-1567 6,8 mm 1134kg 59mm

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...

A balanced design approach incorporating functionality, performance and style makes the Series 100 Core Blocks™ the right choice for performance cruising or racing applications. A full contact bearing provides excellent performance across the full...

Features: Ultra Lightweight Low friction 2-stage Orbital ball bearing system Highest working load in its class Low profile and compact High performance cleating Easily fitted and securely retained Dyneema Link head Applications: Mainsheet...

Features: Ultra Lightweight Low friction 2-stage Orbital ball bearing system Highest working load in its class Low profile and compact High performance cleating Swivel shackle head for unlimited block rotation -grade 316 stainless steel...

Sheaves running on Acetal or Torlon® ball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent performance over the full load range. Features: Low friction 2-stage ball bearing system...

Sheaves running on Acetal or Torlon® ball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent performance over the full load range. Captive Lock™ universal head can be fixed in either...

Low profile stand-up kit allows 0° or 90° alignment Stand-up kits feature a clatter-free rubber boot. You can attach the Dyneema® link so that the block is aligned with the stand-up base or across it. It's a neat,...

Low profile stand-up kit allows 0° or 90° alignment The RF2455 stand-up kit features a clatter-free rubber boot. You can attach the  Dyneema® link so that the block is aligned with the stand-up base or across it. It’s a...

Ronstan Stand-Up Boot - Suits Series 40 Ball Bearing & Ratchet Orbit Blocks Part Number M.W.L. B. L. Weight RON-RF2454B - - 6g

Ronstan Stand-Up Boot - Suits Series 55 Ball Bearing & Ratchet Orbit Blocks Part Number M.W.L. B. L. Weight RON-RF2455B - - 11g