Feature: Made from material with yellow zinc plating to resist rust and corrosion Perfect for cars, trucks, carriages, trailers,, mowers, tractors and other farm equipment Great for use on 3 point hitches and other frequently assembled and disassembled parts Specifications: Pins diameter: 8mm/0.31inch Pins length:50mm/1.97inch Ring outer diameter: 53mm/2.09inch Ring inner diameter: 47mm/1.85inch Ring thickness:3.5mm/0.14inch Material: carbon steel Finished: Zinc Plated Package includes: 5 Pcs x Linch Pin with Ring