Hornady Lock-N-Load Quick Change Hand Tool - 050097 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. Features include: dual-sided chuck allows quick changeover from one tool to the next ergonomic design to save on hands/fingers during case preparation can be used with chamfer tools, primer pocket reamers and cleaners, brushes, or any tool with 8-32 threads 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.