Constructed from Marine Grade 316 stainless steel, these safety coupler pins offer exceptional resistance to seawater corrosion, ensuring durability and longevity even in harsh outdoor environments. With a length of 1.97" (50mm) and a diameter of 3/16" (4.8mm), these pins are designed for quick-release applications, making them versatile for a variety of uses across different industries. Ideal for a wide range of applications, these safety coupler pins are commonly utilized in table saws, gardening equipment, farming machinery, trucks, boats, trailers, satellite antennas, gazebos, plows, finish mowers, boom sprayers, tractors, and other locking necessities. The shaft locking pin effectively serves as a reliable replacement for lost or damaged parts, securely locking into position to enhance safety and functionality. Each package includes four safety coupler pins, ensuring you have the necessary components for your projects or repairs. Please verify the size prior to use to ensure compatibility with your equipment. Features: 1: Made from Marine Grade 316 stainless steel, providing excellent seawater corrosion resistance and durability. 2: High-quality stainless steel construction ensures strong corrosion resistance, making these pins suitable for long-term outdoor applications. 3: Dimensions of 1.97" (50mm) in length and 3/16" (4.8mm) in diameter make these pins perfect for quick-release applications. 4: Versatile usage in various fields including woodworking, gardening, farming, transportation, and boating. 5: Reliable shaft locking pin that functions as an effective replacement for lost parts, securely locking into position. Package includes: 4 Pcs Safety Coupler Pin, Size 3/16" x 1.97" (4.8mm x 50mm). Please check the size prior to purchase.