A masterpiece of precision mechanics
High precision eye tonometer for measuring intra-ocular pressure.
High quality agate bearing for long service life
Precision measurement on a scale of 0 to 20 sub-divisions
Perfect reading of the scale with red pointer
All vital parts are made of stainless steel
Including three weights (5.5 g, 7.5 g, 10 g / 0.19 oz, 0.27 oz, 0.35 oz) and conversion table