WIDELY MEASURING This handheld antifreeze refractometer can test the freezing point of propylene glycol, ethylene glycol, wiper fluid and automotive , and specific of the battery fluid. WIDELY MEASURING This handheld antifreeze refractometer can test the freezing point of propylene glycol, ethylene glycol, wiper fluid and automotive , and specific of the battery fluid. WHAT YOU WILL GET The kit contains refractometer, cloth, instruction manual, straw, screwdriver and plastic box. Easy to operate, widely used in industrial and automotive fields. WHAT YOU WILL GET The kit contains refractometer, cloth, instruction manual, straw, screwdriver and plastic box. Easy to operate, widely used in industrial and automotive fields. WIDELY MEASURING This handheld antifreeze refractometer can test the freezing point of propylene glycol, ethylene glycol, wiper fluid and automotive , and specific of the battery fluid.