1/4" (6mm) Ronstan Triple, 2-axis shackle head Ball Bearing Block

Features: Low friction High static and dynamic load capacity Lightweight Precision moulded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance...

1/4" (6mm) Ronstan Tripple, Becket, 2-axis shackle head Ball Bearing Block/Cleat

Features: Low friction High static and dynamic load capacity Lightweight Precision moulded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance...

5/16" (8mm) Ronstan Curved Base Utility Cheek Block

Features: Lightweight durable construction Economical Maintenance free 316 Stainless steel cheeks and U.V. stabilised Acetal sheaves ensure a long service life with virtually no maintenance. Used...

5/16" (8mm) Ronstan Ball Bearing Orbit Block

Features: Lightweight Highest working load in its class Secure, versatile and secure attachement Low profile and compact RF35101 accepts RF1850S shackle in both orientations to create a conventional...

5/16" (8mm) Ronstan Double, loop head Utility Block

316 Stainless steel cheeks and U.V. stabilised Acetal sheaves ensure a long service life with virtually no maintenance. Features: Lightweight durable constructionEconomicalMaintenance free Used...

5/16" (8mm) Ronstan Double, tube rivet Block

Features: Lightweight durable construction Economical Maintenance free 316 Stainless steel cheeks and U.V. stabilised Acetal sheaves ensure a long service life with virtually no maintenance. Hollow...

5/16" (8mm) Ronstan Fiddle, V-jam Cleat, Tube Rivet Head Utility Block

Features: Lightweight durable construction Economical Maintenance free Allows fast, sure cleating of control lines. 316 Stainless steel cheeks and UV stabilised Acetal sheaves ensure a long service...

5/16" (8mm) Ronstan Series 30 Ball Bearing Cheek Block

Features: Lightweight Highest working load in its class Secure, versatile and secure attachement Base suits curved mounting base Materials: Sheave: High compression strength carbon black...

5/16" (8mm) Ronstan Shackle, Ball Bearing Orbit Block

Features: Lightweight Highest working load in its class Secure, versatile and secure attachement Low profile and compact Ultra low profile thru-sheave becket. Low friction 2-stage ball bearing...

5/16" (8mm) Ronstan Single, Ball Bearing, Lead Block

Features: Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers. Precision moulded Acetal sheaves running on Acetal or Torlon® ball...

5/16" (8mm) Ronstan Single, Becket, loop head Utility Block

316 Stainless steel cheeks and U.V. stabilised Acetal sheaves ensure a long service life with virtually no maintenance. Has a becket for extra purchase. Features: Lightweight durable...

5/16" (8mm) Ronstan Single, Becket, Tube Rivet Head Utility Block

Features: Lightweight durable construction Economical Maintenance free 316 Stainless steel cheeks and UV stabilised Acetal sheaves ensure a long service life with virtually no maintenance. Hollow...

5/16" (8mm) Ronstan Single, loop head Utility Block

316 Stainless steel cheeks and U.V. stabilised 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...

5/16" (8mm) Ronstan Single, loop head, Ball Bearing Block

Features: Low friction 2-stage ball bearing system provides consistent performance over the full working load range. High static and dynamic load capacity. Light weight Versatile head...

5/16" (8mm) Ronstan Single, Stand Up, Ball Bearing Block

Features: Low friction 2-stage ball bearing system provides consistent performance over the full working load range. High static and dynamic load capacity. Light weight Versatile head...

5/16" (8mm) Ronstan Single, Swivel Head, Ratchet Block

Features: Up to 14:1 holding power - highest available! Smooth easing of sheets Fully Automatic load sensing ratchet engagement Swivel shackle head for unlmited block rotation. Stainles steel...

5/16" (8mm) Ronstan Single, swivel shackle head, Ball Bearing Becket Block

Features: Low friction 2-stage ball bearing system provides consistent performance over the full working load range. High static and dynamic load capacity. Light weight Versatile head fittings Cheek...

5/16" (8mm) Ronstan Single, swivel shackle head, Ball Bearing Block

Features: Low friction 2-stage ball bearing system provides consistent performance over the full working load range. High static and dynamic load capacity. Light weight Versatile head...

5/16" (8mm) Ronstan Single, Tube Rivet Utility Block

316 Stainless steel cheeks and UV stabilised Acetal sheaves ensure a long service life with virtually no maintenance. Used for: Vang, cunningham and trapeze retriever systems on dinghies Leech line...

5/16" (8mm) Ronstan Small Mainsheet Swivel Cleat Base

FEATURES Ball bearings support the cleat arm. An integral stop prevents over rotation, but can be removed to allow full 360° rotation. The cleating angle can be set in one of two positions - use...

5/16" (8mm) Ronstan Triple, loop head Utility Block

316 Stainless steel cheeks and U.V. stabilised Acetal sheaves ensure a long service life with virtually no maintenance. Features: Lightweight durable constructionEconomicalMaintenance free Used...

5/16" (9mm) Ronstan Ball Bearing Oribit Block/Cleat

RF45130 Ultra Lightweight Low friction 2-stage Orbital ball bearing system Highest working load in its class Low profile and compact High performance cleating Kilogram for kilogram of working...

3/8" (10mm) Ronstan Single, Swivel Head, Ratchet Block

Features: Up to 20:1 holding power Smooth easing of sheets High performance cleating Swivel shackle head for unlimited block rotation. Stainless steel shackle head and compatibility with sharp...

3/8" (9mm) Ronstan Single, ferrule eye head Utility Block

316 Stainless steel cheeks and U.V. stabilised 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...

3/8" (9mm) Ronstan Single, swivel shackle head Becket Block

Stainless 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...

7/16" (10mm) Ronstan Double, 2-Axis Shackle Head Block

Features: Exceptionally high working loads Low maintenance, long service life Self-lubricating sheave Slotted pin shackle eliminates fouled lines Two way head post Materials: U.V. stabilised...

7/16" (10mm) Ronstan Double, Becket, 2-Axis Shackle Head Block

Features: Exceptionally high working loads Low maintenance, long service life Self-lubricating sheave Slotted pin shackle eliminates fouled lines Two way head post Snap fit removable becket...

7/16" (10mm) Ronstan Single Loop Head Block

Features: Exceptionally high working loads Low maintenance, long service life Self-lubricating sheave Materials: U.V. stabilised Acetal sheaves Impact and U.V. resistant, fibre reinforced Nylon...

7/16" (10mm) Ronstan Single Universal Head Block

Features: Exceptionally high working loads Low maintenance, long service life Self-lubricating sheave Captive Lock™ universal head Slotted pin shackle eliminates fouled...

7/16" (10mm) Ronstan Single, becket, universal head Block

Features: Exceptionally high working loads Low maintenance, long service life Self-lubricating sheave Captive Lock universal head Slotted pin shackle eliminates fouled lines Snap fit removable...

7/16" (10mm) Ronstan Single, Stand-up Block

Features: Exceptionally high working loads Low maintenance, long service life Self-lubricating sheave Captive Lock universal head Materials: U.V. stabilised Acetal sheaves Impact and U.V...