Key Features
Plastic Measuring Cylinder - Capacity - 250 ml ., GLASS HYDROMETER - ( Range -700-1000 )., Material: Glass- Product Dimension (B x H): 3 cm x 30 cm, A hydrometer is an instrument that measures the specific gravity (relative density) of liquids the ratio of the density of the liquid to the density of water ( Comes with a protector case )