Ronstan Series 40 All Purpose Block - Do RF51210

Series 50 All Purpose Block - Double - Becket

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
• Lockable swiveling head post
• Snap fit removable becket pin
• Spare parts - RF51010 Replacement Becket Pin, RF151 shackle

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.Head can be locked at 0° or 90° by engaging the grub screw in either the 0 or 90 degree position. Becket pin is removable so line can be spliced prior to fit