With 8 mm diameter stem. With cork seal, round collar, upper section approx. 235 x 20 mm. Prismatic, yellow measuring capillary. Available either Mercury filled, or red or green spirit-filled. Translucent glass scale. Hg thermometers are graduated every 1 °C, except 0 to 300 °C / 360 °C range thermometers which are graduated every 2 °C. Thermometers with red or green filling are graduated every 1 °C, except thermometers with a measuring range above 160 °C which are graduated every 2 °C.