I am just curious as to why with capped ferrules most cue makers use a 5/16 tenon? It seems to make sense that you could go with the thinnest walled ferrule possible and reduce the tip mass. Even using different size tenons based on the size of the shaft and maintaining a consistent wall thickness. For example you have say a .050 wall thickness on all your ferrules by varying tenon size based on the shaft size, or what ever size you decide is best, .050 was just an example.