Sailing - Blocks

Plain Bearing Pulley Block Single Swivel - Size 6 - 64mmThe Size 6 Barton blocks are designed as our high-load cruiser block range and are of rugged construction. It features high-grade injection moulded side plates, with all load-carrying components from 316 grade stainless steel. Side plates are through-bolted and riveted for added strength and security. This good-looking and versatile range is designed for use on larger cruising and racing yachts. All are designed for ease of use with our ball bearing mainsheet traveller system.Designed around a 64mm (2-1/2") sheave and to work with 14mm (9/16") ropes.

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Single DO 550 Rope Clutch Cruising Racing Max 12mm LineFor cruising and racing yachts, offering a holding power of up to 550 kgs. Modern, high-performance materials. Manufactured from modern lightweight materials, the DO 550 moulded parts are made from high-grade plastics which are strong, light, and impact resistant. Cams and bases are from marine-grade aluminium, anodised for long life in the harsh marine environment.

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Series 7 Flat Base/Aluminum Cheek/Delrin SheaveDelrin™ sheave ensures smooth operation and high safe working load. Stainless steel base distributes loads to a large surface area. Specifications: Sheave Dia. 2-3/8" (60 mm) Max. Line 1/2" (13 mm) Length 4-3/8" (111 mm) Width  2-3/4" (70 mm) Height 1" (25 mm) Fasteners (4) 1/4" RH (6 mm) C/C 3-5/8" (92 mm) C/C (wide end) 2" (51mm) C/C (narrow end) 1-9/16" SWL 2250 lbs. (1020 kg) Weight Alum. 9.6 oz. (272 g) 

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Clear Step Lead Block for 1" StanchionsUnique design leads your furling control line outside of your stanchions for a clean lead aft to the cockpit. Stainless cheeks with Delrin(tm) ball bearing sheave ensure low-friction and high strength. Locks in place with a small set screw accessed through a small hole in the sheave. Specifications: Maximum line diameter 1/2" For 1" Stanchions Overall Width 3-1/8" (79mm) Thickness 1-1/8" (29mm) Safe Working load 750 lbs (350kg) Weight 5oz (142g) 

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Single Stainless Steel Block - 51mm SheaveSingle block with stainless steel cheeks. Delrin™ sheave ensures smooth operation and high safe working load. Specifications:Sheave Dia. 2" (51mm)Thickness 15/16" (24mm)Width 2 1/8" (54mm)Length 4 13/32" (112mm)SWL 1750 lbs. (795kg)Weight 7.1oz (201g)Max Line 7/16" (11mm) 

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Series 5 Flat Base/Alum Cheek/Delrin SheaveDelrin™ sheave ensures smooth operation and high safe working load. Stainless steel base distributes loads to a large surface area. Specifications: Sheave Diameter 2" (51 mm) Max. Line 7/16" (11 mm) Length 3-5/8" (92 mm) Width 2-7/32" (57 mm) Height 7/8" (22 mm) Fasteners (4) #10 RH (5 mm) C/C 3" (76 mm) SWL 1750 lbs. (795 kg) Weight 5.9 oz. (167g) Max. Line 7/16" (11mm)

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80mm Single Element Block Mastbase with SwivelElement blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum amount of metal required to protect the sheave with a proven journal bearing. So size for size, Element is priced significantly lower, than our previously least expensive blocks.Sideplates are hardcoat-anodized to resist corrosion. A tough composite bearing sheave resists corrosion for a long service life. Specifications: Sheave: 80mm (3-1/8") Max Line: 16mm (5/8") Max Working Load: 2200kg (4850lbs)

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38mm Single Big Bullet BlockLow-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 applications. Features: Sheave: 38mm (1-1/2") Maximum Line: 10mm (3/8") Maximum Working Load: 136kg (300lb)

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40mm Carbo Block with Spring & EyestrapLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. Features: Sheave Ø (mm): 40 mm Sheave Ø (in): 1-9/16 in Maximum line Ø (mm): 10 mm Maximum line Ø (in): 3/8 in Maximum working load (kg): 220 kg Maximum working load (lb): 485 lb

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16mm Forkhead BlockThe 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 and has a 250 lb (113 kg) maximum working load.Specifications: Sheave: 16mm / 5/8in. Length: 29mm / 1-1/8in. Weight: 11g / .38oz Maximum line: 5mm / 7/32in Maximum working load: 113kg/ 250lb Breaking load: 544kg / 1200lb

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22mm Micro BlockLow-friction Micro blocks are compact and lightweight. Specifications: Sheave: 22mm / 7/8in Length: 38mm / 1-1/2in Weight: 14g / 0.5oz Maximum line: 6mm / 1/4in Maximum working load: 91kg / 200lb Breaking load: 544kg / 1200lb

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57mm Carbo Air Fiddle Block with Swivel & BecketLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming.Specifications: Sheave: 57mm / 2-1/4in Length: 175mm / 6-7/8in Weight: 113g / 4oz Shackle pin: 5mm / 3/16in Maximum line: 10mm / 3/8in Maximum working load: 359kg / 792lb Breaking load: 1080kg / 2380lb

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