A premium bullet lube for high performance loads. This hard lubricant is designed to provide higher velocities with cast pistol and rifle bullets without leading. It will not melt out of loaded ammunition at high temperatures and is recommended for use with the Lyman Lube Heater. All Lyman stick lubricants are hollow and fit the 4500 Sizer/ Lubricator and similar Sizing/Lubricating tools, including RCBS.