Heavy duty (Durable Aluminum)100% brand new and high quality
Ideal for garage workshop, metal workers ,builders, car mechanics, spray painters and DIY
Professional manufactured and designed for efficient blowing of air, the cleaning of parts and surfaces
Made of Aluminum
Comes with a 10cm spare nozzle
This refractometer is design according to the principle that different concentrations liquid have different refractive index ,with quick and accurate characteristics.
Automatic temperate compensation, the temperature of the water sample will not effect the reading.