These M6 quick release pins are seriously heavy-duty! Made from marine-grade 316 stainless steel, they're built to handle saltwater, harsh weather, and tough conditions without corroding or weakening. The quick-lock mechanism is super simple but incredibly secure - just push to insert, and the spring-loaded ball locks it firmly in place. Pull the ring to release when you need to remove it. The M6 size (about 6mm diameter) is perfect for countless applications - trailers, bicycle strollers, cargo securing, boat equipment, RV accessories, farm implements, you name it. The 316 stainless steel is noticeably higher quality than standard 304 - much better corrosion resistance, especially in marine environments. The construction feels solid and reliable, not like cheap pins that might bend or fail under pressure. Having two in the package means you can use them in multiple applications or keep a spare handy. Installation couldn't be simpler - just insert through your pre-drilled holes and you're secured. Perfect for securing coupler latches, pintle hooks, jack legs, PTO connections, and countless other applications where you need quick, reliable fastening. The quality is professional-grade, and the value for two marine-grade pins is absolutely fantastic. Whether you're a boater, RV owner, farmer, or just need reliable fasteners for equipment, these pins will quickly become your go-to solution!