The National Hardware N350-510 is a 1/4-inch spring snap engineered for lifting, pulling, mooring, and other farm, marine, and recreational applications. Its interlocking safety-opening design provides a secure connection that releases only under intentional pressure, making it ideal for quick-change tasks where reliability and operator safety are essential.
Built with a zinc finish, this spring snap stands up to constant exposure to the elements. The quick-attachment design enables rapid connection and disconnection during loading, unloading, or emergency releases, saving valuable time during rigging operations.
Features and Benefits
- Interlocking Safety Mechanism: A locked connection that releases only under intentional pressure, protecting equipment and operators from accidental disengagement.
- Zinc Finish: Resists the elements for extended service life in outdoor, marine, and agricultural environments.
- 1/4-Inch Throat Size: Offers a versatile fit for a wide range of ropes, cables, and straps in both light-weight and heavy-duty applications.
- Quick-Attachment Design: Enables rapid connection and disconnection, saving time during rigging operations.
- Universal Application: Suitable for boat securing, farm equipment stabilization, and recreational gear handling.
Specifications
- Brand: National Hardware
- Model: N350-510
- Size: 1/4 inch
- Material: Zinc
- Design: Interlocking safety-opening spring snap








