The Lyman Primer Tray is a must-have tool for handling and orienting primers no case prep kit would be complete without it. This primer tray makes it easy to flip your primers anvil-side up to facilitate faster and easier loading. All you have to do is spread the primer on the grooved surface of the tray, then replace the lid and give it a shake. If you are looking for a simple way to make loading primers easier and faster, look no further than this Lyman Primer Tray. This primer tray is made from durable plastic for your safety and is very easy to use.