hi i had to mack thees up they for making changing the gears easy i made two washers for the square witch is 13mm and two for the shaft Clarence witch is 10mm with a 1mm step on the back i cut threw the edge of the 13mm one then filed square did the same to the 10mm one but left it round then silver soldered the two together right pics
krv3000, proud to be a member of MetalworkingFun Forum since Feb 2012.