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Description
Ronstan Series 100 Orbit Block, Single, BecketProduct Description Ronstan Series 100 Orbit Blocks, Single, Becket Features The highest strength to weight ratio Minimal friction loss, especially when working at high loads Totally reliable and trouble free performance Simplicity of design and construction to facilitate maintenance and servicing Elegant, functional styling and finish. Lockable swivelling head post High strength forged shackle Sheave 4 in. Max. Rope 9 16 in. Max. Cable Pin 5 16 in.
Product Description
Ronstan Series 100 Orbit Blocks, Single, Becket
Features
The highest strength-to-weight ratio
Minimal friction loss, especially when working at high loads
Totally reliable and trouble free performance
Simplicity of design and construction to facilitate maintenance and servicing
Elegant, functional styling and finish.
Lockable swivelling head post
High strength forged shackle
Sheave Ø - 4 in.
Max. Rope Ø - 9/16 in.
Max. Cable Ø - -
Pin Ø - 5/16 in.
M.W.L. - 6610 lb.
B.L. - 1430 lb.
Weight - 18.7 oz.
Product Information
Orbit blocks™ are a no-compromise product range developed to meet the demands and expectation of the very dedicated and increasingly professional racing sailor. Side cheeks incorporating head structure and hub are precision machined as a single part from solid alloy, leaving material only where it contributes to the load carrying capacity of the block and eliminating the need for additional fasteners. The Orbit sheave has captive Acetal or Torlon® ball bearings for side thrust loads, eliminating the need for side retainer plates. This reduces weight and allows for a wider bearing surface that can accommodate longer Torlon® needles – achieving a substantially higher strength-to-weight ratio.Head posts of swivel blocks can be locked at 0 or 90 degrees.
Applications
Primary mainsheet, halyard and spinnaker systems on boats to 15m (50ft)
Secondary mainsheet, vang blocks on boats to 18m (60ft)
Backstay systems on boats to 14m (46ft)
General control line and lead block applications on larger yachts
Materials
Fully machined Alloy cheek plates
Alloy sheaves with captive ball races
Torlon® needle rollers
Carbon black Acetal ball bearings
Forged grade 17-4PH stainless steel shackles
Grade 316 stainless steel head post
Features
Sheave Ø - 4 in.
Max. Rope Ø - 9/16 in.
Max. Cable Ø - -
Pin Ø - 5/16 in.
M.W.L. - 6610 lb.
B.L. - 1430 lb.
Weight - 18.7 oz.
Product Information
Orbit blocks™ are a no-compromise product range developed to meet the demands and expectation of the very dedicated and increasingly professional racing sailor. Side cheeks incorporating head structure and hub are precision machined as a single part from solid alloy, leaving material only where it contributes to the load carrying capacity of the block and eliminating the need for additional fasteners. The Orbit sheave has captive Acetal or Torlon® ball bearings for side thrust loads, eliminating the need for side retainer plates. This reduces weight and allows for a wider bearing surface that can accommodate longer Torlon® needles – achieving a substantially higher strength-to-weight ratio.Head posts of swivel blocks can be locked at 0 or 90 degrees.
Applications
Materials
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
Worth the purchase
Color: White
Very pretty. looks classy & expensive! I love it
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Reviewed in the United States on April 25, 2026
★★★★★ 3
Decent
Color: Black
Decent for price.
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Reviewed in the United States on December 16, 2025
★★★★★ 5
Gorgeous!
Size: Medium, Color: Rose Gold
I love this purse, but I think it's appropriate mostly for evening use. As another reviewer has already said, it is more on the coppery side than the rose, but it is still beautiful, so I awarded it five stars. It is very high quality, and it arrived very quickly. I don't think I'll take it to synagogue, though. I think this is more of a date night or special occasion purse. It would be great for dinner dates, concerts (like the symphony or the opera), weddings, proms, etc. It's not something that would pair well with jeans or something you'd take to a picnic. It would make a lovely gift, and it's big enough to hold my phone, lip gloss, and a credit card. You don't want to put too much in it because it looks best flat.
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Reviewed in the United States on August 26, 2019
★★★★★ 5
Lovely!
Size: Medium, Color: Bronze
Beautiful bag. I purchased a used like new to save some money and the bag I received was in perfect shape. It includes a chain strap as well. It's a pretty large bag and the envelope flap closure is pretty and it was snug enough that I didn't feel like I was going to lose anything out of the bag.
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Reviewed in the United States on November 29, 2024
★★★★★ 5
Super cute and fun! Quality finishing.
Size: Medium, Color: Gold
Love this thing! Got tons of compliments on it and it’s great quality for the price. Looks more expensive than it costs.
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Reviewed in the United States on October 24, 2025