The Folding Primer Tray [patent pending] (2-pack) is designed to enhance the reloading process for various tools, including the Pro 1000, Load-Master, Safety Prime, New Auto-Prime, Ergo Prime and Auto Bench Prime. This innovative folding tray replaces the PT1004 on the Pro 1000, Load-Master and Safety Prime, as well as the trays (PT1564, PT1538, PT2964) and covers (PT1534, PT1470) for the Auto-Prime and Ergo-Prime tools. For Auto-Prime and Ergo-Prime users with tools purchased prior to 2016, the (# 90794 XR/Ergo Update Kit) is required to use this Folding Primer tray with your tool. This convenient design improves organization and efficiency during reloading, helping you manage primers with ease and reducing clutter at your workbench.