Blocks

Ronstan Series 75 Ultimate Ratchet - Single

Series 75 Ultimate Ratchet - SingleThe extruded hole design, in conjunction with the groove profile of the sheave, provides a more powerful grip than conventional designs - up to 20:1 holding power. Unrivaled low weight is achieved by the use of a...

Ronstan Series 20 Ball Bearing Block - Swivel Hook Head

Series 20 Ball Bearing Block - Swivel Hook HeadFeatures:Low frictionHigh static and dynamic load capacityLightweightLow profile swivelling hook for quick and easy attachmentHook suits rope, stainless steel and webbing fixing pointsPrecision molded Acetal...

Ronstan Series 30 Utility Block - Double, Tube Rivet

Series 30 Utility Block- Double, Tube RivetFeatures:Lightweight durable constructionEconomicalMaintenance freeProduct Information:Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance.Hollow rivets accept...

Ronstan Series 50 High Load Block - Single - Universal Head

Series 50 High Load Block - Single - Universal HeadIdeal for high load applications. Wear resistant sheave material, in lightweight, self lubricating polymer, is suitable for use with rope or wire.Captive Lock™ universal head can be fixed in either...

Harken 60mm Single Element Block Mastbase w/Swivel

60mm 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...

Harken 45mm Triple Element Block w/Swivel

45mm Triple Element Block 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...

Ronstan Series 60 All Purpose Single Block Swivel Shackle Head - Non-Locking

Series 60 All Purpose Single Block Swivel Shackle Head - Non-LockingAll purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and...

Barton Marine Ratchet Block - 55mm

Ratchet Block - 55mmThe Barton Ratchet Block is designed to be used on mainsheet systems and spinnaker sheets on dinghies and keelboats and for small yachts up to 30 feet.Combining high-performance engineering and contemporary design, the 2-3/16" (55 mm)...

Ronstan Series 40 All Purpose Block - Triple - Becket - Swivel Head

Series 40 All Purpose Block - Triple - Becket - Swivel HeadFeatures:Exceptionally high working loadsLow maintenance, long service lifeSelf-lubricating sheaveSlotted pin shackle eliminates fouled linesTwo way head postSnap fit removable becket pinAll...

Harken 16mm Block w/Becket

16mm 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 and has a 250 lb (113 kg)...

Harken Midrange Single Block

Midrange Single BlockMidrange blocks’ robust construction makes them ideal to handle the high loads found on medium and large offshore boats. Sheave runs exclusively on a ball bearing system for fast trim and release under any load...

Schaefer Series 5 Flat Base/Alum Cheek/Delrin Sheave

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...