You are buying a brand new Lyman G Top Punch #495, used to hold the nose of the bulletin proper alignment when pushed down into thelubricator sizer.It isdesigned for the wadcutter/semiwadcutter moulds and other flat nose 9MM, 357, and 38 cal. bullets. The followingLyman bullet molds use this punch, 356404. 358091, 357466, 358101, 358495, 358865, 35891,and others. Most punches can be used with more than one bulletstyle in their specific cal. Lyman punches are made for theirmodel 45, 450, 4500 lubricator sizers and will alsowork in RCBS sizers.