Laboratory thermometer -10 … +110 °C, ungraduated

Thermometer without graduation, for calibrating a thermometer scale;
Liquid thermometer filled with alcohol, with movable silicone triangle (the triangle prevents the thermometer from rolling off the table and also serves as a marking point)
Measuring range: -10 ... +110 °C
Graduation: none
Dimensions: D= approx. 6 mm, L= approx. 280 - 300 mm
Mass: approx. 20 g