Hydrometer-Specific Gravity, Precision Grade, Small
Streamlined type with solid metal ballast. For light and heavy liquids. Length overall: 6-1/4 inches. Clear legible scales with 0.001 subdivisions are cemented securely into position. Supplied with a certificate stating that the hydrometer meets or exceeds the tolerances of accuracy and physical specifications set forth by the National Institute of Standards and Technology.
