10 Pack 5/16 Inch Trailer Coupler Wire Lock Pins Gold, 4 Inch Long, Heavy Duty Zinc Plated Carbon Steel Trailer Hitch Pins Built Tough For Secure Towing, Rust Resistant, Durable Quick Pin Locks

Ten-Pack 4-Inch Gold 5/16 Inch Trailer Coupler Pins
✔️ 10-pack, 4-inch length, 5/16 inch pin, zinc-plated steel

These heavy-duty trailer coupler pins come in a 10-pack for secure towing setups. Made from carbon steel with a zinc plating, they resist rust and endure outdoor use. At 4 inches long, they reach deeper into hitch assemblies for added security across trailers and PTO shafts.

✅ Material: carbon steel with zinc plating for corrosion resistance
✅ Diameter: 5/16 inch (7.94 mm)
✅ Length: 4 inches (101.6 mm)
✅ Pack size: 10 pins in set
✅ Finish: gold-toned plating for visibility and style

💡 What is a trailer coupler pin used for and why lock pins matter?

A handy explanation about security and ease of use.

- They secure couplers and hitch connections to prevent accidental disconnection - Zinc plating resists rust in outdoor use - The 4-inch length provides extra reach for various hitch setups - Fits standard 5/16 inch diameters for broad compatibility