Ronstan Series 50 All Purpose Fiddle Block w/ Universal HeadExceptionally high working loads
Low maintenance, long service life
Captive Lock™ universal head
Slotted pin shackle eliminates fouled lines
Sheave Ř - 2 1/8 + 1 5/16 in.
Max. Rope Ř - 3/8 in.
Max. Cable Ř - in
Pin Ř - 3/16 in.
M.W.L. - 1650 lb.
B. L. - 3310 lb.
Weight - 5.9 oz.
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.
Captive Lock™ universal head can be fixed in either of two planes, or free to swivel as required
Mainsheet and halyard applications, vang and spinnaker control lines on boats to 10m (33ft)
Ideal for fine-tune mainsheet tackles, cunninghams, backstays and other control line purchase systems.
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
Impact and UV resistant, fiber reinforced Nylon cheeks