I have a complete set from 29 through 40 3d printed powder bushings for an Mec reloader. Orange are 1/2 sizes. So there is 29,29a,30,30a,31,31a,32,32a,33,33a,34,34a,35,35a,36,36a,37,37a,38,38a,39,39a,40. I used one of them and it metered real well. $60 and I’ll pay for the ride.