Candy & Deep Fry Thermometers Candy & Deep Fry Ruler Thermometer, 100 to 400°F/40 to 200°C, 8"/20.3 cm, color-coded scale, waterproof, durable laboratory glass, target range indication, 304 stainless steel housing, non-mercuric column, plastic handle stays cool, temperature guide on thermometer, stainless steel clip, hang