high quality Advantages: :The quick ball lock pin provides a strong connection.You can easily insert,release or lock the pin using your hands.It also has a 24cm lanyard to keep it from getting lost.Application: :This quick release dowel pin,with a grip for enhanced handling,is widely used in stage audio, aviation manufacturing,gym replacement parts,boat deck hingebimini topmechanical engineering etc.Material: :The locking shaft, push-pull button, and internal spring are constructed using marine-grade stainless steel hardware.The t handle,in a striking black hue,is crafted from aluminum alloy and goes through a special coating process to make it durable.Installation: :Press the handle button to retract the steel ball at the pin head, and slide the quick release pin through the hole. On releasing the button, the steel ball reemerges, securing the pin in place.This quick installation process ensures that the pin can be released or locked swiftly and securely.Specification: :This t handle quick release pin has a diameter of 5/16 inch (8mm), a usable length of 2.76 inches(70mm).