Ronstan Series 60 BB Fiddle Core Block – Snap Shackle Head

Ronstan Series 60 Ball Bearing Fiddle Core Block, Snap Shackle Head – RF64503

• Class leading performance and sleek, contemporary styling
• Excellent dynamic and high static load performance
• Less than half the friction of the nearest competitor
• Versatile trunnion snap shackle
• 360 degree relation with side-to-side articulation
• Integrated becket through the hub of the lower sheave

Applications

• Ideal for mainsheet, halyard and spinnaker sheet applications on boats to 11 m (36 ft)
• Various control line applications on larger yachts
• Alloy sheave models are available for use with wire
• Ideal for creating simple vang and mainsheet systems up to 4:1 on boats to 12 m (40 ft)

Materials

• Sheaves: UV stabilised Acetal
• Cheek plates & cleat arms: Aluminium alloy
• Ball Bearings: High compression strength carbon black Acetal
• Shackle, post & hub: Grade 316 stainless steel
• Padeye & snap shackle: Grade 15-5PH stainless steel
• Snap shackle: Grade 15-5PH investment cast stainless steel
• Cleat: Fibre reinforced composite
• Snap shackle: 15-5PH investment cast stainless steel

Specifications

• Sheave Ø: 60 + 30 mm
• Max. Rope Ø: 12 mm
• Max. Cable Ø: – mm
• Pin Ø: 8 mm
• MWL: 1000 kg
• BL: 2000 kg
• Weight: 405 g