Nothing makes loading your primer pick-up tubes easier than the Berry's Primer Flip Tray. Made with nearly indestructible translucent polycarbonate material, the Berry's Primer Flip Tray makes it easy to see that all of your primers are flipped and ready to load. With a 5" diameter, the Berry's Primer Flip Tray can handle any primer packaging, even the larger Federal primer boxes. It comes with a lifetime warranty and is made in the USA.