Lee folding primer trays are designed for use with the Pro 1000, load-master, safety Prime, the auto-prime, Ergo Prime and auto bench Prime. Auto-prime & ergo-prime users with tools purchased earlier than 2016, the XR/Ergo update kit ( #254-076) is required if you plan to use this folding primer tray with your tool. This folding tray replaces PT1004 on the Pro 1000, load-master and safety Prime, and the trays (PT1564, PT1538, PT2964) and covers (PT1534, PT1470) from the auto-prime and ergo-prime tool. Specifications: - material: polymer - shellholder included: no