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Description
Ronstan Series 40 BB Double Block w/ Swivel HeadProduct Description Ronstan Series 40 BB Double Block w Swivel Head 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 Features a swivel shackle head for full 360 rotation Specifications: Sheave 1 9 16 in. (40mm)
Product Description
Ronstan Series 40 BB Double Block w/ Swivel Head
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
Features a swivel shackle head for full 360° rotation
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 - 4.7 oz. (134 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
4.8 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 5
Amazing, Affordable & Smell Amazing!
Size: 120 Count (Pack of 4)
These are by far my favorite makeup remover wipes. They smell amazing, remove makeup instantly, and are super affordable. The packaging is well-designed too.
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Excelente producto
Conocí esta marca en Europa me encanta la compraré siempre
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Reviewed in the United States on May 16, 2026
★★★★★ 2
Keep looking
I was SO disappointed. I thought I was ordering Boots, which this product has been copied frpm but doeant compare
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Reviewed in the United States on May 20, 2025
★★★★★ 1
Skip this
Not great. The worst at removing waterproof makeup.
I will not repurchase this ever again.
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Reviewed in the United States on November 5, 2024
★★★★★ 5
The Perfect Pad
I love these pads. Soft and efficient. After my last brand changed the quality of the pad and were rough and scratchy I was delighted find these!
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Reviewed in the United States on July 17, 2024