Ronstan Series 40 BB Single Orbit Block – Manual, Swivel Shackle Head

Ronstan Series 40 Ball Bearing Single Orbit Block, Manual, Swivel Shackle Head – RF46100M

• Up to 14:1 holding power – highest available!
• Smooth easing of sheets
• Manual ON / OFF ratchet selection
• Swivel shackle head for unlimited block rotation.
• Stainless steel shackle head and compatibility with sharp fixing points

Applications

• Dinghy mainsheet systems
• Mainsheet fine tune systems on sportsboats & small keel boats
• Mainsheet systems on sportsboats using RF7 mainsheet swivel cleat unit
• Spinnaker and job sheets on dinghies – especially modern asymmetric classes
• Control line applications on larger yachts

Materials

• Sheave: Anodised Aluminium
• Ball Bearings: High compression strength carbon black Acetal
• Frame / Cheeks: Toughened, glass fibre reinforced Nylon
• Rope Link: UV stabilised, multi-strand impregnated SK75 Dyneema

Specifications

• Sheave Ø: 40 mm
• Max. Rope Ø: 9 mm
• Max. Cable Ø: – mm
• Pin Ø: 4.0 mm
• MWL: 175 kg
• BL: 500 kg
• Weight: 38 g