Ronstan Series 30 Ball Bearing Triple Orbit Block – Becket, Non-swivel Shackle Head – RF35312

• Lightweight
• Highest working load in its class
• Secure, versatile attachment
• Ultra low profile thru-sheave becket
• Low friction 2-stage ball bearing system provides consistent performance over the full working load range

Applications

• Mainsheet systems and spinnaker sheets on dinghies up to 5 m (16 ft)
• Halyard, vang and backstay applications on boats up to 5 m (16 ft)
• Control line applications on larger yachts

Materials

• Sheave: High compression strength carbon black acetal
• Ball Bearings: High compression strength acetal
• Frame / Cheeks: Toughened, glass fibre reinforced nylon

Specifications

• Sheave : 30 mm
• Max. Rope : 8 mm
• Max. Cable : – mm
• Pin : – mm
• MWL: 550 kg
• BL: 1100 kg
• Weight: 79 g