The Ronstan Series 50 Triple All Purpose Block is a versatile solution for mainsail, halyard, vang, and spinnaker control line applications on boats up to 10m (33ft). This block is engineered for both cruising and racing, featuring self-lubricating Acetal polymer sheaves that perform efficiently under both dynamic and high static loads.
Key Features:
- Exceptionally high working loads with low maintenance and extended service life.
- Self-lubricating Acetal polymer sheave for reduced friction.
- Slotted pin shackle design to prevent fouled lines.
- Lockable swiveling head post that can be secured at 0° or 90° positions.
- Snap-fit removable becket pin.
- Grade 316 stainless steel load strap for added durability.
- Impact and UV-resistant, fiber-reinforced nylon cheeks.
- Manufacturer part number: RF51300.
Item ships same day if ordered on a weekday (excluding holidays) by 3pm EST. We try our best to also ship on Saturdays.