This pack of 25 Fast-n-rs pins with a triangular head is perfect for securing your tractors hitch clip. The pins have a 3/16 inch diameter and an effective length of 1-5/16 inches, making them suitable for use with most tractors. Made of carbon steel and coated with yellow zinc, these pins are durable and resistant to rust and corrosion. These Tab-Lock & Safety Pins are manufactured in India and meet high-quality standards. They are an essential part of any farmers toolkit and can be used for various applications. The system of measurement is in inches, and the pin length is 1.562 inches. The overall style of the pin is sturdy and reliable, making them perfect for industrial and agricultural settings.