Kimax 12.5mL tube with a long taper. Calibrated to contain. Used to determine the bottom sediment and water in petroleum. Made in accordance with the former specifications of the American Petroleum Institute. (API Standard 2542). Scale, legend and marking spot are durable white ceramic enamel. Referred to as the "Finger" tube. Capacity: 100% (12.5ml). Subdivisions: 0-3% in 0.2% increments; 3-10% in 0.5% increments; 10-50% in 1% increments and at 100%. Dimensions (O.D. x L): 17mm x 118mm. Kimble #: 45170-125.