Testo-20N-Magnetic-Probe-for-Measurements-on-Metal-Surfaces-Testo-0602-4792-P-The-Testo-0602-4792-is-a-20N-Magnetic-Probe-4-5lbs-holding-force-for-measurements-on-metal-surfaces-The-TC-Type-K-Probe-is-ideal-for-use-with-the-Testo-922-&-925-Thermometers-P-Testo-0602-4792-Magnetic-Temperature-Sensor