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Description
Ubi Maior 100mm Regatta Classic High Load Single BlocksSHEAVE: 100mm SHACKLE: 10HRmm MAX LINE: 16mm MAX WORKING LOAD: 3400Kg BREAKING LOAD: 6800Kg LENGTH: 203mm WEIGHT: 570g The RT line turns 30 years of experience into a full ALL ROUND range of components designed for a great variety of boats. RT blocks can carry high loads while ensuring smooth rolling thanks to TORLON (HIGH LOAD line) or DELRIN (LOW LOAD line) roller bearing. On the Delrin, balls in two holding cages support side loads, while every
Ø SHEAVE: 100mm
SHACKLE: 10HRmm
MAX Ø LINE: 16mm
MAX WORKING LOAD: 3400Kg
BREAKING LOAD: 6800Kg
LENGTH: 203mm
WEIGHT: 570g
The RT line turns 30 years of experience into a full ALL ROUND range of components designed for a great variety of boats. RT blocks can carry high loads while ensuring smooth rolling thanks to TORLON (HIGH LOAD line) or DELRIN (LOW LOAD line) roller bearing. On the Delrin, balls in two holding cages support side loads, while every tiny detail on the block cheeks is meticulously designed. The design of the RT blocks allows for the use of both with a traditional mechanical connection (with HR shackle on HIGH LOAD models) or with a textile connection (RTSh/RTShG), as well as for use as a becket. Each cheek plate of the blocks are machined from solid bar stock, which are interlocked and secured by fixing screws, this guarantees unparalleled strength and durability and longevity. The sheave is machined of high strength aluminum alloy (including the smaller sizes), which guarantees excellent rolling, even under heavy loads.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.6 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Just what I wanted.
Color: Black, Navy Blue, Wine Red, Size: 5X-Large
These may have just become my standard shirt to wear. Feels good whether tucked or out. Drapes well and fits well. So far, I can see it adjust to the different undershirt I may wear. Will probably order another set in other colors and a back up set of the basics because they will get worn a lot.
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Reviewed in the United States on July 17, 2025
★★★★★ 3
Its alright
Color: Black, Size: 5X-Large
True to size per the size chart. The fabric is soft but it it feels cheap to me. It attracts lint but you can brush it off easily so its not the cheapest material I've dealt with. Also, it is opaque (not see through).
There is no front/ back indicator either which is indicative of a cheap shirt in my opinion. Would be friendly for tag sensitive people (to stay positive).
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Reviewed in the United States on April 14, 2026
★★★★★ 5
Fit and colors are perfect
Color: Black, White, Apricot, Size: Large
They fit very well, I got them for my husband and he was very excited for the style & fit i am actually going to buy him another pack
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Reviewed in the United States on October 7, 2025
★★★★★ 1
Fuzzballs get wearing once
Color: Black, Size: X-Large
Very smart to wear, but the quality is terrible so after one wash the collar start fraying and fuzzballs start forming.
Very disappointing.
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Reviewed in the United States on June 2, 2026
★★★★★ 5
Amazing quality and well worth it!!!
Color: Black
Great watch! My son saw his friend have and was impressed so I got him one! This one doesn’t have a connection point from the band to the watch so it can’t break there which has been the issues with all his other watches. This is easy to setup and use! It worked so great that I got one for my other son! They both say the size and options are perfect! Highly recommend!
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Reviewed in the United States on January 14, 2026