Blocks - Stand-Up

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

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 be held upright, swivel freely, or pivot so lines have a fairlead under load. The ball-and-socket design lets blocks articulate up to 45 degrees and swivel freely. The 460 and 461 bases (high-load...

Stand-up bases allow a wide variety of blocks to be held upright, swivel freely, or pivot so lines have a fair lead under load. The ball-and-socket design lets blocks articulate up to 45 degrees and swivel freely. The 460 and 461 bases (high-load...

The DN Adaptor is a spring with a swivel mount that attaches the main sheet block to the tiller post. It uses a 071 spring to prevent the block from hitting the tiller post. The attachment point is a shackle and pin. The shackle is a 3/16" pin and the...

Stand-up bases allow a wide variety of blocks to be held upright, swivel freely, or pivot so lines have a fairlead under load. The ball-and-socket design lets blocks articulate up to 45 degrees and swivel freely. The 460 and 461 bases (high-load...

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...

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...

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. Captive Lock™ universal head can be fixed in either...

Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats of all sizes. Note: DO NOT use Harken equipment for human suspension unless product is specifically...

The 16mm 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 and has a 250 lb (113 kg) maximum working load. The 442...

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...

Ronstan's All Purpose (AP) blocks are a great all-round solution. With Acetal polymer sheaves this stand-up block with a swivel head has many applications and is available in 2 sizes. Features: 316 Stainless Steel polished bearing races, load...

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...

Riley 19mm Heavy Duty Ball Bearing Micro Stand Up Block - 450 Series. Mounting Method: Single Single Stainless Steel Sheave Part NumberBlock TypeWeightLengthBecketMax Line SizeMax. Work StrengthBreaking Strength RLY-PYF461 Stand...

Made of durable, flexible PVC, stand-up boots hold blocks up without snagging lines. The 370 fits 75 mm Carbo blocks. Note: DO NOT use Harken equipment for human suspension unless product is specifically certified and labelled for such use...

Springs support blocks on padeyes, eyestraps, bases, and traveller cars, and prevent blocks from hitting the deck. Note: DO NOT use Harken equipment for human suspension unless product is specifically certified and labelled for such use. SOLD IN...

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...

Small Riley lead block Mounting Method: Single Cam Cleat: Plain   Part NumberSheaveMaximum Line SizeFerrule Bore RLY-RM412 21mm x 8mm 6mm 600kg