[Specification]: Featuring a diameter of 5/16 inch (8mm) and a usable length of 2 inches (50mm). [Material]: Constructed from marine-grade stainless steel, this pin's locking shaft, push-pull button, and internal spring are built to last. The flat handle is made from durablewith a special black coating for enhanced durability and aesthetics. [Application]: Ideal for diverse uses including stage audio, aviation manufacturing, gym equipment, boat deck hinges, bimini tops, and mechanical engineering, this pin features a grip for improved handling, making it versatile and essential for technical operations. [Advantages]: Engineered for ease of use, this quick ball lock pin allows for simple insertion, release, or locking by hand. It includes a lanyard to prevent loss, offering both security and convenience in a compact design. [Installation]: Effortless to install, simply the handle button to retract the steel ball at the pin head, slide the pin through the desired hole, and release the button. The steel ball reemerges to secure the pin firmly in place, ensuring reliable and stable assembly. The actual product may have slight color difference or difference, which not affect the use Colour:Black+Silver Material:Stainless steel Size:. 8 x 50mm Package Contents: 4 x Ball Lock Pins Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.