Sheave Diameter: 75 mm / 3 in
Max. Rope Diameter: 12 mm / 1/2 in
Max. Working Load: 420 kg / 930 lb
Breaking Load: 1370 kg / 3020 lb
Weight: 270 g / 9.5 oz

Applications:

• Mainsheet on powerful dinghies and skiffs.
• Series 60 mainsheet systems on sportsboats using RF7 mainsheet swivel units.
• Control line applications on larger yachts.
• Spinnaker sheets on sportsboats and small keel boats (lateral lead blocks).

Materials:

• Carbon black Acetal ball bearings.
• Anodised aluminium sheave and cheek plates.
• Torlon® ratchet pawl.
• Grade 316 stainless steel forged shackle.
• Alloy sheave and housing.
• Torlon® needle rollers.
• Black carbon Acetal ball bearings.

Our Part # RONRF72174 | Ronstan Part # RF72174

Features:

• Unrivalled 20:1 holding power.
• Dual sided On-Off switch.
• Ability to operate On/Off switch under load.
• Low friction ball bearing system.
• Light Weight.
• Cheek cut-outs for easy bearing maintenance.