Certified Thermomelt Sticks, 550 °F, 4 1/2 in

Features: Available in 21 exact temperatures ratings from 100F to 650F, Certified Thermomelts are accurate to within +/- 1% of the rated temperature | Ideal for applications such as annealing, forging, welding, bending, forming and any place where temperature measuring is necessary | Ideal for use in nuclear power generation facilities such as shipbuilding, atomic energy, or anywhere that nuclear certification is required | New Certified Thermomelt Heat Stik are specifically analyzed and certified to contain low concentrations of halogens, sulfur, and low melting point metals (less than 250ppm)