‎0.39 x 0.39 x 0.39 inches

Make sure this fits by entering your model number. Best Material: This salinity refractometer is made of Aluminum construction is lightweight, wear resistant and durable Best Material: This salinity refractometer is made of Aluminum construction is lightweight, wear resistant and durable

Make sure this fits by entering your model number. Pet Measuring Instrument: help to measure pet's urine specific gravity and serum protein. Measuring Range: Urine specific gravity (dogs and cats): 1.000-1.060sg; Serum protein: 2-14g/dl.