It looks like you’re referring to a “Half Set Nickel Silver 16/64 Fly Rod Ferrule NOS”—likely a vintage or New Old Stock (NOS) component for fly rod repair or restoration. Here’s a breakdown of what this might mean:

Key Details:
1. Half Set – Typically means only one part of a ferrule pair (either male or female, not both).
2. Nickel Silver – A durable alloy (copper, nickel, zinc) commonly used in high-quality ferrules for corrosion resistance and strength.
3. 16/64 – Indicates the ferrule size (16/64″ = ¼-inch), matching a rod’s tip or butt diameter.
4. Fly Rod Ferrule – A connector joining sections of a fly rod, often found in vintage or classic rods.
5. NOS (New Old Stock) – Unused vintage inventory, possibly from an old tackle shop or manufacturer surplus.

Potential Uses:
– Repairing a vintage fly rod needing a replacement ferrule.
– Custom rod building where a specific size is required.
– Collecting as a piece of fishing tackle history.

Next Steps:
– Verify if you need male or female (or confirm if this listing specifies which).
– Measure your rod’s existing ferrule or blank diameter to ensure compatibility (16/64″ = 0.25″).
– Check for corrosion or fit issues if purchasing NOS (even unused, old stock may need cleaning).

If you’re looking to buy or sell this item, platforms like eBay, fiberglass fly rod forums, or vintage tackle shops might be interested. Let me know if you’d help finding a match!
It looks like you’re referring to a reduced or half set of nickel silver 16/64 fly rod ferrules that are NOS (New Old Stock). Here’s a breakdown of what this likely means:

Key Terms Explained:
1. Half Set – Typically means only one male and one female ferrule (rather than a full set for a multi-piece rod).
2. Nickel Silver – A durable alloy (copper, nickel, and zinc) used in high-quality rod ferrules for corrosion resistance and strength.
3. 16/64 – Indicates the ferrule size (16/64″ = 1/4” or ~6.35mm). This is the diameter of the rod blank where the ferrule fits.
4. Fly Rod Ferrule – The connecting joint between rod sections (usually a slip-fit or spigot-style in vintage rods).
5. NOS (New Old Stock) – Unused vintage inventory, possibly from an old tackle shop or rod maker’s surplus.

Possible Uses:

– Restoration – Ideal for repairing or rebuilding an older fly rod that matches this size.
– Custom Rod Building – If you’re crafting a rod with a 1/4″ (6.35mm) blank diameter at the ferrule point.
– Collector’s Item – Some anglers seek NOS ferrules for historical or hobbyist purposes.

Things to Check:
– Fit & Compatibility – Ensure the 16/64 size matches your rod’s dimensions.
– Condition – Even if NOS, inspect for tarnish or corrosion (though nickel silver is highly resistant).
– Type – Confirm if it’s a step-down, spigot, or super-z style ferrule for proper application.

Would you like help identifying a specific rod model these might fit or tips on installation?