The ergonomic Lock-N-Load Quick Change Hand Tool features a dual-sided chuck that allows for quick changeover of popular case preparation tools like chamfer, deburr, primer pocket reamers and cleaners, brushes or other tools with 8-32 threads. Note: Includes 3 dual-sided chucks, chamfer/deburr tools, large and small primer pocket cleaners and neck brushes for the following calibers: 22 cal, 25 cal/6mm, 270 cal/7mm, 30 cal, 35 cal/9mm and 45 cal.FeaturesDual-sided chuck allows quick changeover from one tool to the nextErgonomic design to save on hands/fingers during case preparationCan be used with chamfer tools, primer pocket reamers and cleaners, brushes or any tool with 8-32 threads