My Stihl weeder is about 12 years old and the bump head on the winder worn down to where it is almost impossible to grab and wind on new string. So...…… I went to the lathe and made me a device to fit the short nubs left and give a good grip to wind on string. Stihl is supposed to have a new head design out there, but this "Winder" sure makes it easier. Of course, it could be made out of plastic for about $2 if manufacturers wanted to help out us old hands, but nice to be able to put the lathe to use to solve the problem. (New piece would cost about $15 if it was at dealer). Weedeater String Winder 2.JPGWeedeater String Winder.JPG