Manufacturer Part Number: 28042|Type|Temperature Indicating CrayonTemperature Rating|253.0 C; 488.0 FCompatible Material|Aluminum; Ceramic; Glass; Iron; Plastic; Stainless Steel; SteelFeatures|116 temperatures available from 100 F(38 C) to 2000 F(1093 C); Stick instantly melts at designated temperature for easy and immediate visual inspection; Calibration-free with 100% reliability; Accurate to within +/- 1% of Fahrenheit and +/- 3% Celsius ratTip Shape|BulletTemperature Rating (F)|253.0 C; 488.0 FApplication|Aluminum; Ceramic; Glass; Iron; Plastic; Stainless Steel; SteelStandards|PSC Code|UNSPSC Code|55121731