The APS Hand Priming Tool is simply revolutionary. First, the Universal Shell Holder completely eliminates the need for additional shell holders, accepting case sizes from .32 ACP to .45-70 Government. Secondly, each strip is color-coded for easy identification and holds up to 25 primers. The primer strips are even designed to connect to each other for continuous feed. Now, there s no need to handle loose primers or worry about contamination.