The Lyman 4500 Lube Sizer is designed to lubricate and size cast bullets. Specifically for use with hard lubes, the 4500 is available with a heating element to make the process faster and easier. Features solid one-piece bottom casting, a long handle for more leverage, ergonomic ball grip, gas check seater and one stick of lube. Notes: RCBS Lube-a-Matic 2 and Lyman 4500 top punches and sizing dies are interchangeable