Ronstan Series 50 All Purpose Block - Do RF51200

Series 50 All Purpose Block - Double

All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing. Swivel shackle head for full 360 degree rotation (non-locking).

Features:

• Exceptionally high working loads
• Low maintenance & long service life
• Self-lubricating Acetal polymer sheave ensures low friction and extreme durability
• Slotted pin shackle eliminates fouled lines

Applications:

• Mainsheet and halyard applications, vang and spinnaker control lines on boats to (33ft). 10m
• S60 - on boats up to 40ft, (12m)

Materials:

• Grade 316 stai