The new 4500 Lube Sizer is a delight to use. It features: solid one piece bottom casting - ideal for use with hard bullet lubricants, a new longer ball knob handle for more leverage for sizing and lubricating the largest bullets, complete with Gas Check Seater and complimentary lube, and easy adjustments for bullet seating depth and lube flow. Purchase the Lyman top punch and sizing die of your choice. Changing bullet diameter requires an easy change of sizing dies. Heater, top punches and sizing dies sold separately.