Performance Tool Pro Pistol Grip Grease Gun is made of heavy-duty steel and has a chrome-plated finish for long service life, Pistol grip action makes for easy use with any standard 14-ounce cartridge, including the Redline CV-2 Synthetic Grease which comes with the kit, Synthetic CV-2 grease provides excellent water resistance, low-temperature flow, and very high melting point, Pack your wheel bearings in no-time with this high-quality grease using the included Wheel Bearing Grease Packer from Performance Tools, Simple tool makes it easier than ever to quickly packs bearings with new grease while forcing out the old grease.