The Grainger G3262 Level Gauge is a 28 inch long dipstick made of durable HDPE plastic. It features inch and metric graduations for measuring fluid levels. This dipstick has a D-shaped cross section and a hanging hole at the top. It can be used for measuring and monitoring fluid levels in tanks, reservoirs, and other containers. The HDPE construction makes it suitable for use with water, diesel fuel, solvents, and other liquids. With a temperature range of -20°F to 200°F, this level gauge works well for monitoring fluid levels in various conditions. The large 28 inch length allows it to measure deep tanks.