Tajima/Nihon Doki Oil Gauging Tape w/ 350g Plumb Bob Available Sizes: 10M (CT-10), 20M (CT-20) & 30M (CT-30) Scale accuracy JIS 1 grade (± (0.2 + 0.1L) mm L Measurement length, unit is m) Easy-to-read scale White steel Brass direct connection type 350g Stainless steel frame with weight Cased (some uses resin) Tape measure for oil tank measurement. Application: Measuring oil, fuel, water, and other liquid levels or tank depths Features: Durable construction, clear graduations, and weighted plumb bob for dependable measurement Made in Japan