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Ships within 48 hours · Estimated delivery Aug 6 - Aug 11
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Ronstan Series 15 Triple BB BlockProduct Description Ronstan Series 15 Triple BB Block Features: Smallest and lightest ball bearing block available Precision moulded acetal sheave running on stainless steel ball bearings provide high performance & low friction Single loop head blocks include an O ring to separate running line from head lashing or fixing Specifications: Sheave 5 8 in. (15mm) Max. Rope 3 16 in. (5mm) M. W. L. 790 lbs. (360 kg) B. L. 1870 lbs. (850 kg) Weight 1 oz. (28
Product Description
Ronstan Series 15 Triple BB Block
Features:
Smallest and lightest ball bearing block available
Precision moulded acetal sheave running on stainless steel ball bearings provide high performance & low friction
Single loop head blocks include an O-ring to separate running line from head lashing or fixing
Specifications:
Sheave Ø - 5/8 in. (15mm)
Max. Rope Ø - 3/16 in. (5mm)
M.W.L. - 790 lbs. (360 kg)
B. L. - 1870 lbs. (850 kg)
Weight - 1 oz. (28 g)
Applications:
Dinghy control lines
Vangs, cunninghams and tweakers
Shock cord tensioning systems
Materials:
BB sheaves: UV stabilized acetal
Ball bearings: Stainless steel
Cheeks: Grade 316 stainless steel
Features:
Specifications:
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
4.0 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
Finally a kit that actually works
Size: 21pcs, Size: 21pcs
Tried the small nail on a pinhole leak, held pressure for 2 weeks now. The screwdriver feels solid. Comes with 3 glues which is generous.
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Reviewed in the United States on May 10, 2026
★★★★★ 5
Beats rope plugs every time
Size: 21pcs, Size: 21pcs
Used plenty of plug kits. This screw-in type is faster, cleaner, and no arm workout. Large size seals a real nail hole tight. Trunk ready.
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Reviewed in the United States on May 10, 2026
★★★★★ 5
Easy even for a rookie
Size: 21pcs
First time using tire plugs. Super simple. The glue and screw design held air for weeks.
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Reviewed in the United States on May 10, 2026
★★★★★ 5
Works like a charm
Size: 21pcs, Size: 21pcs
Fixed a nail hole in 3 minutes. No jack, no spare. Screwed right in.
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Reviewed in the United States on May 10, 2026
★★★★★ 5
Works great
Size: 47pcs
This AUTOWN 47PCS Tire Repair Rubber Nail Kit - Complete Screw Plug Kit with Glue, Fast Fix for Flat Tires on Car, Truck, Motorcycle, SUV & More set is nice. Works as it should. Easy to use. Nice sizes. No leakage. Seems durable. Nice look. Good value
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Reviewed in the United States on May 28, 2026