The 5g Silicone Grease Waterproof Lubricant is a multipurpose product made with lithium grease. Its net content is 5g, making it suitable for various applications. With a length of about 8.5cm, this lubricant is designed to provide waterproof sealing and reduce friction in O-Rings, bearings, valves, and spark plugs, making it a valuable addition to automotive tools and supplies.