For example, consider a 0.125-in.-diameter coiled spring pin that will be installed into a hinge. It has a recommended hole size ranging from 0.125 to 0.129 in.

1. Remove the Locking Pin Place the hex wrench into the socket at the top of the spring hinge and turn in either direction to release tension on the pin. Remove the pin with a pliers.

For the spring type, you simply screw in the base and then twist in the spring stop. For the hinge pin doorstop, it is equally easy. Buy one that matches the finish on the hinges.