Schiotz Tonometer

Specification: 

• High quality agate bearing for an extremely long service life.
• Precision measurement on a scale of 0 to 20 subdivisions and 0 to -1 sub-divisions.
• Perfect reading of the scale with red pointer, All vital parts are made of stainless steel, other parts are chrome-plated Complete in a blue deluxe case.
• Supplied with three weights (5.5 g, 7.5 g, 10 g) and a conversion table