Yep, so if you use a new handle with an old door latch or window crank they don`t match well. The set screw needs to fit in that groove on the shaft. If that happens it cannot come off.
~ BD. "You won't find me in an old folks home" Pioneer Florida Cracker 1958 Apache Stepside 1958 Apache 1/2 ton Panel 1959 Apache 1/2 ton Panel
