For years, I dealt with removing dies, ever swapping just to change caliber then I fell into a second sizer and heated base... MUCH easier! Only three screws on the heated base and I was sizing the next caliber. Well I finally got it right, both sizers mounted to the table next to each other with threaded inserts (seen on the left side of the sizer) of the in the same space the magma heated base was. I have many different sizes of ACRO bins I hang on angle iron screwed to the table bottom which makes catching the sized bullets a breeze.