Ronstan Series 40 All Purpose Block - Double Block - Full Swivel Head RF41200
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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)
 
We ship all in-store (FL) stock orders the same day if placed before 3 PM EST, Monday through Friday. Orders placed after this time will ship the next business day. Orders fulfilled from other warehouses or manufacturers may not ship the same day. If an item is out of stock, we will notify you promptly.