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Ships within 48 hours · Estimated delivery Jun 18 - Jun 23
For Your Every Summer RSVP, with Code: SUMMER15
Description
Schaefer Clamp-On Furling Line Stanchion Lead Block - 1" Ball Bearing [300-34]Clamp On Furling Line Stanchion Lead Block 1" Ball Bearing Delrin ball bearing sheave allows for quick and easy furling line adjustment. Stainless steel cage and strap ensure durability. Specifications: Stanchions 1" (25mm) in diameter 1 7 16" (37mm) Sheave Diameter Maximum 1 2" (12mm) line size Safe Working Load = 1000 lbs (450kg)
![Schaefer Clamp-On Furling Line Stanchion Lead Block - 1" Ball Bearing [300-34]](https://cdn.shopify.com/s/files/1/0611/7297/3739/products/74705XL.jpg?v=1643834207)
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
4.6 ★★★★★
Based on 849 reviews
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Product Reviews
★★★★★ 5
Always soft
Size: Medium, Color: Black/Black/Black
Good fit, fast shipping. Love a new sock
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Reviewed in the United States on May 11, 2026
★★★★★ 5
Size
Size: Medium, Color: Black/Black/Black
Fit true to size
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Reviewed in the United States on January 12, 2026
★★★★★ 5
Great quality.
Size: Large, Color: (001) Black / Black / White
Thickness and comfort are great. Quality is great and the same I would expect if I bought at the branded storefront.
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Reviewed in the United States on March 11, 2026
★★★★★ 5
Great product.
Size: Small, Color: (001) Black / Black / White
🙏🙏🙏
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Reviewed in the United States on May 16, 2026
★★★★★ 5
Great buy!
Size: Medium, Color: (001) Black / Black / White
My husband loves these. The socks are warm and thick and extremely comfortable. They support the foot and he works outside all day and has had them for a little over a month. They stay in place and don’t move move around while he’s outside moving around.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 6, 2025

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