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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
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Description
Ronstan Series 40 BB Double Block w/ Swivel Head & BecketProduct Description Ronstan Series 40 BB Double Block w Swivel Head & Becket Sheaves running on Acetal or Torlon ball bearings provide high performance & low friction. The 2 stage ball bearing system provides consistent performance over the full load range. Features: Low friction Acetal or Torlon bearing system Lightweight Cheek cut outs for easy bearing maintenance Specifications: Sheave 1 9 16 in. (40mm) Max. Rope 3 8 in. (10mm) Max. Cable in (mm)
Product Description
Ronstan Series 40 BB Double Block w/ Swivel Head & Becket
Sheaves running on Acetal or Torlon® ball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent performance over the full load range.
Features:
Low friction Acetal or Torlon® bearing system
Lightweight
Cheek cut-outs for easy bearing maintenance
Specifications:
Sheave Ø - 1 9/16 in. (40mm)
Max. Rope Ø - 3/8 in. (10mm)
Max. Cable Ø - in (mm)
Pin Ø - in. (mm)
M.W.L. - 1100 lb. (500 kg)
B. L. - 2650 lb. (1200 kg)
Weight - 5 oz. (142 g)
Applications:
Mainsheet
Halyard
Vang
Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft)
Sheaves running on Acetal or Torlon® ball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent performance over the full load range.
Features:
Specifications:
Applications:
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
4.1 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
Your sign to buy it <3
Color: Tan Natural
Love it omg first foundation that matches and does not break me out throughout the day very lightweight and airbrushed look , not oily at all
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 13, 2026
★★★★★ 5
Sunscreen makeup
Color: Medium Bisque
Nice color matches Pefect
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026
★★★★★ 1
Terrible quality, broke in less than 3hrs of use
Color: Tan Natural, Color: Tan Natural
For the price point, this product really sucked. Guys not even less than 3hrs of use the compact broke into tiny pieces and I had to cover it with the sponge that comes along with the compact to prevent from further breakage.
The coverage is good, it blends well into the skin and has a natural finish, but the actual value for money is NOT THERE.
If you want to pay this much for a foundation compact that is also good for your skin then just go for the Westman Atelier Pressed Skincare Powder.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 26, 2025
★★★★★ 3
Not my favorite.
Color: Medium Sand
I wanted to like this foundation, but it ended up being too drying on my skin. The finish looks chalky rather than smooth, which makes it hard to get a natural look. Unfortunately, it just didn’t work well for mE.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 26, 2025
★★★★★ 5
Application
Color: Medium Sunlight
Good application. Only thing is I bought the wrong color for my skin
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 11, 2026
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