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1 × $499.99
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1 × $2.49
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1 × $78.27
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1 × $2,153.56
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1 × $60.00
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1 × $263.00
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1 × $165.00
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1 × $55.00
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1 × $49.99
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1 × $8.99
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1 × $25.00
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2 × $424.00
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1 × $279.00
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1 × $19.95
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2 × $4.06
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1 × $74.99
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1 × $54.99
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1 × $129.00
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1 × $30.99
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1 × $20.91
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1 × $489.99
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1 × $117.00
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2 × $1,470.00
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Ronstan Wire Block - Tubular Rivet Head w/Removable Nylatron® Sheave - 45mm (1-3/4") Sheave Diameter1 × $51.09
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1 × $48.00
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1 × $95.00
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1 × $60.00
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1 × $4.99
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1 × $3,249.00
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1 × $179.99
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1 × $129.00
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1 × $83.99
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1 × $49.99
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1 × $195.00
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1 × $49.95
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1 × $11,659.95
Ronstan Series 40 All Purpose Block – Triple – Swivel Head
Series 40 All Purpose Block – Triple – Swivel Head
Features:
- Exceptionally high working loads
- Low maintenance, long service life
- Self-lubricating sheave
- Slotted pin shackle eliminates fouled lines
- Two way head post
- Spare parts – RF41010 Replacement Becket Pin, RF150 Shackle
All 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 high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.
Applications:
- Mainsheet
- Halyard
- Vang
- Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft)
Materials:
- U.V. stabilised Acetal sheaves
- Impact and U.V. resistant, fibre reinforced Nylon cheeks
- Grade 316 stainless steel bearing race
- Grade 316 stainless steel load strap and head fitting
- Sheave: UV stabilised acetal
- Cheeks: Impact modified, fiber reinforced and UV stabilized nylon






