FEATURES-Symmetrical design allows effortless right or left hand operation-Comfortable lever effortlessly seats even the most difficult primers with just finger pressure-Includes priming assemblies for large & small primers-Made of a water clear tough polyester material that allows you to monitor the primer's passage from the tray to the primer pocket-Change primer size or shell holder in seconds-Includes the new folding tray - go from box to priming in seconds-Tray has a built-in primer flipping feature allowing direct filling from today's large primer boxes-The tool mounting holes are spaced for the Lee Bench Plate system (#90251) or can be mounted directly to your workbench