The Hornady Precision Reloader Kit contains every tool you need to make the most concsistent, and accurate ammunition possible. The easy to use cam-lock trimmer with power adapter saves your thumbs and increases trimming speed. Dial calipers make sure you always have accurate measurements with no batteries needed. Headspace and comparator sets ensure consistency, and the case-prep trio makes chamfering, deburring, and primer pocket cleaning. The Hornady Precision Reloader Accessory Kit will allow you the opportunity to produce the most accurate reloads possible.