National Hardware N121-566 Heavy Open S Hook

Product Description

The NATIONAL HARDWARE N121-566 is a heavy open S hook manufactured from steel with a zinc finish. S hooks of this style are used to hang, suspend, or connect loads in a wide range of trade and general-purpose applications. The open design allows for quick attachment and removal without tools, making them a practical fastening solution for contractors, maintenance crews, and facility technicians. The zinc finish provides basic corrosion resistance for light indoor and sheltered outdoor use. This hook is sold individually and is suited for repeated, high-volume applications where a durable steel connector is needed.

This S hook is appropriate for use in residential and light commercial settings where a reliable open hook connector is required. Typical applications include hanging equipment, securing chain, linking loads, or organizing hardware in shops, utility rooms, and service areas. The open profile allows it to fit a variety of rod, chain, and wire diameters without modification.

Key Features

• Heavy open S hook design allows tool-free attachment and removal
• Manufactured from steel for strength and durability
• Zinc finish provides corrosion resistance for general-purpose use
• Compact and lightweight at approximately 0.008 pounds each
• Open profile accommodates a variety of chain, rod, and wire diameters

Compatibility

Designed as an OEM-style replacement and general-use S hook compatible with standard hanging, suspension, and connecting applications across residential and light commercial installations. Catalog series reference: V2076 thru 2076 series.

Installation Notes

S hooks are typically installed by maintenance technicians, contractors, or general tradespeople. Verify that the hook and the mounting point are both rated to handle the intended load before use. Open S hooks should be inspected for deformation or wear before each use in load-bearing applications. Do not exceed the load capacity of the hook or the connected hardware.