RCBS bullet lubes eliminate leading and improve the accuracy of cast bullets. The Rifle Lube is a traditional Alox formula consisting of 50% Alox and 50% Beeswax. These hollow sticks measure 1" x 4" and have a melting point of 115 degrees Fahrenheit. A lube heater is recommended for best results. Features: Works with bench mounted lubri-sizers that accept 1" x 4" lube sticksNotes: Lube heater is recommended for best results(Not recommended for use at indoor ranges)