Blocks

Schaefer Stand-Up Swivel - Aluminum Block

Stand-Up Swivel - Aluminum BlockSpecifications:Sheave Dia. 2-2/8" (60 mm)Max Line 1/2" (13 mm)Diameter includes urethane base 3-3/8" (86 mm)Height 4-25/32" (120 mm)H2 2-15/32" (63 mm)Fastener Size (4),1/4" RH (6 mm)C/C 1-11/16" (43 mm)SWL 2250 lbs (1020...

Ronstan Series 30 Utility Block - Double, Loop Top

Series 30 Utility Block- Double, Loop TopFeatures:Lightweight durable constructionEconomicalMaintenance freeProduct Information:Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance.Applications:Vang,...

Ronstan Single Lead Block - 29mm (1-3/32") Sheave Diameter

Single Lead Block - 29mm(1-3/32") Sheave DiameterLead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers.Applications:Typically used in dinghy spars for control linesMaterials:U.V. stabilized...

Harken 16mm Triple Block w/Becket

16mm Triple Block with BecketThe 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:...

Harken 25mm Wire Block w/Shackle

25mm Wire Block with ShackleLightweight, low-friction wire blocks carry wire halyards and high-strength control lines on boats of all sizes.Specifications:Sheave: 25mm / 1in.Weight: 28g / 1oz.Shackle pin: 5mm / 3/16in,Maximum wire: 2mm / 3/32in.Maximum...

Ronstan Series 40 Ball Bearing Block - Single - Loop Top

Series 40 Ball Bearing Block - Single - Loop TopFeatures:Low friction Acetal or Torlon® bearing systemLightweightCheek cut-outs for easy bearing maintenanceLow friction, 2-stage ball bearing systemHigh static and dynamic load capacityLightweightCheek...

Schaefer Spring Loaded/Lined Slide/Stainless Steel f/1-1/4" T-Track

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

Barton Marine Size 3 Single Plain Bearing Block w/Swivel

Size 3 Single Plain Bearing Block with SwivelBarton plain bearing blocks have a precision molded acetal sheave running on a large diameter brass bearing, ensuring free running under the highest of loads.Features:Fully swiveling head with removable...

SeaSure 25mm Treble Block w/Shackle

25mm Treble Block with ShackleThe 25mm plain bearing block range is one of SeaSure's oldest and best-selling ranges. The range uses marine-grade stainless steel side plates and rivets with an arnite (plastic) sheave, which is incredibly hard-wearing and...

SeaSure Seddon Link f/25mm Diameter

Seddon Link for 25mm DiameterThe "Life Line Link" is a webbing link that you are easily able to move around the boat to create a safe attachment point. Fitted and removed in seconds, it provides strong attachments for deck safety lines or sheet locks...

Ronstan Series 40 Ball Bearing Block - Fiddle

Series 40 Ball Bearing Block - FiddleFeatures:Low friction Acetal or Torlon® bearing systemLightweightCheek cut-outs for easy bearing maintenanceCaptive Lock™ universal headSlotted pin shackle eliminates fouled linesLow friction, 2-stage ball...

Harken 57mm Carbo Quad Block - Swivel

57mm Carbo Quad Block - SwivelLow-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 trimming...