2 Pack 3/8x2-3/4in Trailer Coupler Pin, Heavy Duty Hitch Pin Towing Hitch Accessories Safety Wire Lock Pin Clip for Towing, Secure PTO Shaft, Trailers, RVs, Boats, and Farm EquipmentAbout this item Heavy-Duty Strength for Tough Jobs: Built from premium carbon steel and finished with a protective zinc coating, these coupler pins provide exceptional strength and durability, ideal for demanding towing and fastening tasks. Reliable Wire Lock Mechanism: Featuring a secure wire lock design, these pins ensure a tight and stable connection, preventing accidental disconnection even on uneven terrain. Rust-Resistant for All-Weather Use: The corrosion-resistant zinc coating protects against rust and wear, making these pins perfect for outdoor use in any climate or weather condition. Perfect for Trailers, RVs, and More: Designed to fit most standard trailer couplers, these versatile pins are a go-to solution for securing trailers, RVs, boats, and agricultural equipment. Easy to Handle & Quick to Install: The ergonomic design allows for effortless insertion and removal, saving you time and frustration when hitching or unhitching. Compact, Convenient 2-Pack: Includes two pins measuring 4 x 0.25 x 1.8 inches, ensuring you always have a backup on hand for unexpected needs or replacements during trips. Size description: Each pin measures 4 x 0.25 x 1.8 inches.