HPC's Graphite Gun is so unique that it earned a U.S. Patent! It sprays in any direction. Use HPC's Graphite Gun prior to picking to loosen tight wafers or pins. Graphite is also an excellent lubricant for machines. The Graphite Gun contains approximately 1/3 oz. (8.5g) of natural flake graphite and is refillable with HPC's Bulk Graphite (No. GG-16).