Ronstan Series 40 All Purpose Block Double Block Full Swivel Head RF41200 Sailboat

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 swivels freely.

Features:

• Exceptionally high working loads
• Low maintenance, long service life
• Self-lubricating sheave
• Slotted pin shackle eliminates fouled lines
• Two way head post

Applications:

• Mainsheet
• Halyard
• Vang
• Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8M(26')

Materials:

• U.V. stabilized Acetal sheaves
• Impact and U.V. resistant, fiber reinforced Nylon cheeks
• Grade 316 stainless steel bearing race
• Grade 316 stainless steel load strap and head fitting

Specifications:

• Sheave Ø: 40mm(1-9/16")
• Max. Rope Ø: 10mm(7/16")
• Pin Ø: 5mm(3/16")
• M.W.L.: 600kg(1,320lbs)
• B. L.: 1,200kg(2,650lbs)
• Weight: 135g(4.8oz)