4PCS Pipe Spring Clip-on Thermometer 63MM 0-120 Aluminium Temperature Gauge for Hot Water, Hvac. He

Fitment: Suitable for Hot Water, Hvac. Heating, Oil Tanks, etc.63mm diameter Case0-120 with spring for Connecting to Pipes in 20-50mm.(you can connect to smaller or larger pipes using a different spring or length of wire)thermometer with spring for attaching to pipes.colour: silverMaterial: metalPackage Contents:4 x Clip-on Pipe ThermometerOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.