The Tempil 127‚°C (261‚°F) Series 21 Temperature Indicating Label, 0.5" x 0.5" is a single-level, irreversible temperature indicating label designed for applications requiring a permanent temperature indication. This label is accurate to within ‚±1% of the Fahrenheit rating and is oil, water, and steam resistant, making it suitable for use on various surfaces, including metal, plastic, glass, rubber, wood, ceramic, concrete, and stone. The label size is 0.5" x 0.5" and is available in a box containing 210 labels.