Sailing - Blocks

29mm Carbo Air BlockLow-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: 29mm / 1-1/8in Length: 49mm / 1-15/16in Weight: 23g / .8oz Shackle pin: 4mm / 5/32in Maximum line: 8mm / 5/16in Maximum working load: 150kg / 330lb Breaking load: 454kg / 1000lb

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29mm Carbo Air Block with SwivelLow-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: 29mm / 1-1/8in Length: 66mm / 2-5/8in Weight: 26g / .9oz Shackle pin: 4mm / 5/32in Maximum line: 8mm / 5/16in Maximum working load: 150kg / 330lb Breaking load: 454kg / 1000lb

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22mm Micro Block with BecketLow-friction Micro blocks are compact and lightweight. Specifications: Sheave: 22mm / 7/8in. Length: 51mm / 2in. Weight: 21g / .75oz. Maximum line: 6mm / 1/4in. Maximum working load: 91kg / 200lb Breaking load: 544kg/ 1200 lb

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16mm Triple 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.Specifications: Sheave: 16mm / 5/8in. Length: 46mm / 1-13/16in. Weight: 41g / 1.44oz Maximum line: 5mm / 7/32in Maximum working load: 318kg/ 700lb Breaking load: 544kg / 1200lb

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57mm Carbo Air Block with SwivelLow-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: 110mm / 4-5/16in Weight: 87g / 3.1oz Shackle pin: 5mm / 3/16in Maximum line: 10mm / 3/8in Maximum working load: 359kg / 792lb Breaking load: 1079kg / 2380lb

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16mm Block with SwivelThe 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: 46mm / 1-13/16in. Weight: 18g / .63oz Shackle pin: 4mm / 5/32in Maximum line: 5mm / 7/32 Maximum working load: 113kg/ 250lb Breaking load: 339kg / 750lb

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60mm HTX Block - SingleYears of design and manufacturing experience coupled with collaboration with boat builders, designers, and sailors have resulted in the Lewmar HTX Hardware Range.  Drawing upon the design of the Racing Range, the HTX blocks are constructed simply from high-quality materials, providing enhanced reliability. HTX blocks are ideal for frequently adjusted, highly loaded systems using modern line technology and reduced line diameters. Features: Strong aluminum side cheeks Central plain bearing for efficiency at high loads Side thrust Delrin ball bearings Head design inspired by Lewmar Racing Range with grub screw swivel head locking mechanism Technical Specifications: Working Load Limit - 2422lb Weight - 7.5oz Maximum Line Size - .5" (12mm) *Sold as an Individual Owner's Manual (pdf)

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Single Aluminum Block - 60mm SheaveDelrin™ sheave ensures smooth operation and a high safe working load. Swivel head may be locked in place to eliminate twisting. Specifications: Sheave Diameter 2 3/8" (60mm) Thickness 1 3/32" (28mm) Width 2 1/2" (64mm) Length 5 1/32" (128mm) SWL 2250 lbs. (1020kg) Weight 7.4oz (210g) Max Line size 1/2" (13mm) 

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Size 2 Snatch Block with Stainless Snap Shackle - 35mm SheaveUnique to Barton, these are probably the smallest block of this type available.Important Note - Snatch BlocksWhen using small and medium snatch blocks on a toe rail, a bungee line should be attached to the becket to prevent the block from 'tumbling' and causing damage by snagging.Features: Extremely compact and strong  A multitude of uses on cruising or racing yachts where a large unit is not required Specifications: Sheave: 35mm (1.38") Sheave Width:17mm (0.67") Rope: 12mm (0.47") Break Load: 800kg (1,763.7lbs) SWL: 400kg (881.8lbs) Length: 110mm (4.33") Weight: 170g (0.37lbs)

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40mm Carbo Block Single with Swivel & BracketLow-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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40mm Carbo Air Double Swivel BlockLow-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 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)440 kg Maximum working load (lb)970 lb Quick Guide (pdf)

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16mm 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. The 404 uses an O-ring to keep the line in the sheave during intermittent loading.Specifications: Sheave: 16mm / 5/8in. Length: 29mm / 1-1/8in. Weight: 10g / .33oz Maximum line: 5mm / 7/32in Maximum working load: 113kg/ 250lb Breaking load: 544kg / 1200lb

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