Mantus Marine Universal Swivel S3 (chain 3/8 - 1/2)
Pickup available at 1830 East Interstate 30
Usually ready in 24 hours
Shipping and Delivery
Free shipping for orders of $98 or more (US Continental)
- Free shipping for orders of $750 or more (International)
- Add 3 business days to the standard shipping time for USPS deliveries.
- UPS and FedEx Ground usually take 2 to 5 business days for in-stock orders.
- UPS and FedEx deliver on Saturdays only for Friday overnight shipments, which may incur an extra
charge. - Orders that apply for free shipping will be delivered between 8 and 10 business days.
- International customers will be responsible for any applicable import duties,fees, or taxes.
- Oversized items like whisker poles, spinnaker poles, and tracks over 7 feet require freight shipping, with an estimated cost of $500 depending on the destination.These orders must be delivered to a
commercial address, such as a marina, yacht club, or boatyard where your sailboat is located.
A recipient must be present to sign for the delivery upon arrival,For more info, Click Here.
 Mantus Marine Universal Swivel S3
The strongest link – Mantus swivel is stronger than its corresponding Grade 40 chain. (WLL is 1/5 UBS)
Integrated shackle design completely eliminates side loading making this the safest swivel on the market.
The pin on the chain side of the swivel is the strength limiting part since the geometry of the chain determines the pin size. Mantus swivel is the first to feature an oblong pin to maximizes the pin strength, with the aid of computer modeling and physical testing we truly created a swivel that is the strongest link.
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|  | Chain Size (in) | 1/4 (6 – 7mm) | 5/16 (8mm) | 3/8 (10mm) | 7/16 (11mm) | 1/2 (10 – 14mm) |
| Recommended swivel model for a given chain type and size | Grade 30 Chain | S1 | S1 | S2 | S2 | S3 |
| Grade 40 Chain (G4 HT) | S1 | S1 | S2 | S3 | S3 | |
| Grade 70 Chain | S1 | S2 | S3 | S3 | NA |
