The plastic T handle slides over the metal shaft and the set screw goes in the plastic and I believe just tightens against the metal shaft to keep the handle from moving up and down. Here is a picture of the part from Messick's link when searching for the part number. It is quite small and...
I also lost the set screw from my 1140 and not it is part number 017. $10 seems a lot for a small set screw. Does anyone know what a generic screw size would be to fit the handle? As the set screw is lost I cannot try to match to regular hardware store offerings but for such a minor item it...