Clip On Hot Water Pipe thermometer 0-120C 63MM Temperature Gauge With Spring Bi-metal Stainless Steel Surface ContactThis is an easy to use and read water temperature gauge clip on hot water pipe thermometer for industrial and domestic use. With a spring supplied, it can easily be connected to a pipe to measure surface temperatures quickly. Made of two metals, it's safe and durable to use. Ideal for testing temperatures of hot water pipe, air conditioner pipe, oil tank etc.Specifications: Material: Stainless Steel(Dial) + Aluminum(Case Back)Scale Range: 0-120°Accuracy: +/-4CDial Diameter: 6.6cm / 2.48inSuitable Pipe Diameter: 20-50mmEasy to fix and easy to read.