The Dial Lab Thermometer 25 to 125F/0 to 50C features a F/C dual scale a dial case and 8in length 0.15in diameter stem (type 304 stainless steel). It is accurate to 1% of range. The calibration reset screw sets to known temperature. It also has an indicating pointer and adjustable mounting clamp. The dial is 1.75in with polycarbonate crystal. Measures in 1 degree increments. Range: 25 to 125F/0 to 50C Division: 1 Length: 8 (203) in (mm) Dial: 1.75 Diameter