Certified Thermomelt Sticks Available in 21 exact temperatures ratings from 100F to 650F, Certified Thermomelts are accurate to within +/- 1% of the rated temperatureIdeal for applications such as annealing, forging, welding, bending, forming and any place where temperature measuring is necessaryIdeal for use in nuclear power generation facilities such as shipbuilding, atomic energy, or anywhere that nuclear certification is requiredNew Certified Thermomelt Heat Stik are specifically analyzed and certified to contain low concentrations of halogens, sulfur, and low melting point metals (less than 250ppm) Temp. Range: 375.0 FLength: 4 1/2 inAccuracy: +/- 1%Packing Type: BoxQuantity: 12 per boxWt.: 0 lb