Ronstan Series 55 Orbit Upright Lead BlockView all products in Ronstan Orbit Blocks

Binnacle.com #:  41112
Ronstan Series 55 Orbit Upright Lead Block

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Free Shipping This Item qualifies for Free Shipping on orders over $99! More Info...

Ultra Lightweight. Highest working load in its class. Sheave Diam. 2-5/32 in. Clearance Item - Limited quantities
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Binnacle.com:   #41112
Brand:  Ronstan Marine
MFG Part#:   RF55171
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Clearance Item - Limited quantities

Specifications:

  • Sheave Diam. 2-5/32 in.
  • Max. Rope Diam. 3/8 in.
  • Max. Wire Diam. - N/A
  • Pin Diam. - N/A
  • Working Load 1100 lb
  • Breaking Load 2200 lb
  • Weight 3.2 oz

Features:

Kilogram for kilogram of working load, Orbit Blocks™ are the world’s lightest. To gain peak performance, we engineered out the heavy steel load straps, head post, shackle, full-length fasteners, and cleating accessories. Through extensive research and development, we replaced virtually all metal components with high-tech polymers and fibre equivalents.

The flexible Dyneema® Link provides controlled rotation and 0° or 90° orientation. It connects directly to the head of the block rather than to an intermediate head post. This reduces weight and gives the lowest possible profile while allowing full articulation. Beckets have been carefully designed to minimise height.

  • Ultra Lightweight
  • Low friction 2-stage Orbital ball bearing system
  • Highest working load in its class
  • Easily fitted and securely retained Dyneema Link head
  • Low profile and compact
  • High performance cleating

Applications:

  • Mainsheet systems on dinghies, sportsboats and small keelboats to 9m (30ft)
  • Spinnaker sheets on dinghies, sportsboats and small keel boats to 9m (30ft)
  • Halyard, Vang and Backstay application on boats to 8m (26ft)
  • Control line applications on larger yachts

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Binnacle.com Shipping FAQ

Q. Do you offer Free Shipping?
A. We have Free ground shipping via UPS to the Lower 48 States on most orders of $99 or more.

Q. What do we mean by most orders?
A. Some items are exempt from this offer and are indicated on the product page. Exempt items are usually bulky or heavy items such as buoys. Over 98% of the items on Binnacle.com qualify for the free shipping offer.

Q. Where do you ship from and What is the delivery time?
A. We ship from Halifax, Nova Scotia. Delivery time will be 3 - 7 business days. Northeast will be 3 - 4 days and Southwest and Pacific coast will be 7 business days. Most other areas are 5 business days.

Q. If my order does not qualify for free shipping what will it cost?
A. To see what your shipping charge (if any) will be you can add the item(s) and quantities to the shopping cart and you will see a shipping cost calculator.

Q. Will I be charged any sales taxes?
A. No. We are located in Canada and we are not required to charge US state sales taxes.

Q. Do I have to pay any customs charges or duties?
A. No. Orders under $800 do not receive any customs charges by US Customs. On Orders over $800 Binnacle.com pays the charges - You will not be charged anything for duties or customs brokerage fees.

Money Back Guarantee
Guarantee You may return your purchase to us (with a return authorization number - use this form) within 30 days and we will refund the purchase price of the product. Items which are cut to order (rope, wire etc), software, chart cards and printed materials (paper charts, books) are not returnable.

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