These Spring Loaded Cam Locks, also known as Twist Locks and Plunger Pins, are mainly used in the towing industry on Sling Arms, Wheel Lift Forks, Wreckers and more.

They are Zinc plated and come with grease fitting.  One hand operation allows you to open the assembly and put it into the automatic locking position.

Available in several sizes - Size: 5/8", 3/4", and 1".