Blocks

Harken 40mm Carbo Air Fiddle Block with SwivelLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken® Black Magic® line, these small, compact blocks have very high working loads for...

Harken 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...

Ronstan BSeries 30 Ball Bearing Orbit Block™ - Stand U SwivelBall Bearing Orbit Blocks™ boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials and multiple attachment options. ...

Ronstan Series 30 Utility Block - Single - Ferrule Eye HeadStainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow rivets in the block heads can be fitted with shackles, which can also be used to add a...

Ronstan Series 25 Utility Block - Single, Becket, Loop HeadFeatures:Lightweight durable constructionEconomicalMaintenance freeStainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow rivets in the...

Ronstan Series 30 Ball Bearing Block Single Becket Option LashingBall Bearing Blocks™ boast the highest strength-to-weight ratio available.  This is achieved through all-composite reinforced polymer materials and multiple attachment options...

Schaefer Marine Spring Loaded/Lined Slide/Aluminum for 1-1/4" T-TrackDelrin™ sheave ensures smooth operation and high safe working load. Anodized aluminum cheeks and stainless steel slider ensure reliability. Polyethylene liner and pin stop allow...

Ronstan BRace Sheave - Acetal Ball Bearing - 28mm(1-1/8") ODPrecision moulded Acetal sheaves running on Acetal or Torlon® ball bearings rovide high performance & low friction.Acetal Sheaves:Choice of bearingsSolid bearing - high strength and...

Ronstan Series 55 BB Ball Bearing Orbit Block - Upright LeadFeatures:Ultra LightweightLow friction 2-stage Orbital ball bearing systemHighest working load in its classLow profile and compactHigh performance cleatingSpecifications:Sheave: 2-5/32"Max Rope:...

Barton Marine BSize 1 Deck Organizer - 4-SheaveDesigned for use when leading control lines and halyards across the coach roof and back to the cockit.This range features aluminium construction with 'Spectro' grey anodised finish. Sheaves are from moulded...

Barton Marine BStand U Block - Size 3Has a stainless eye fitted to a stainless loop,through-bolted for strength. The moulded plastic spring/gaiter prevents the block tumbling or ropes snagging. Specifications:Length: 80mm (3.15")Width: 42mm (1.65")...

Harken 29mm Single 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...