Positive lock quick release pins hold tightly in place until the handle button is depressed allowing the pin to be inserted or removed into or out of a hole with ease. Handles are made from 380 die cast aluminum, shanks are made from 4130 steel. Each pin is equipped with a stainless steel split ring allowing the option to attach a cable assembly. Handles Are Made From 380 Die Cast Aluminum, Shanks Are Made From 4130 Steel Hold Tightly In Place Until The Handle Button Is Depressed Allowing The Pin To Be Inserted Or Removed Into Or Out Of A Hole With Ease Each Pin Is Equipped With A Stainless Steel Split Ring Allowing The Option To Attach A Cable Assembly