as it is the type of spring required. Package Content: 20pcs x Compressed Spring Overall Size] - Spring Steel Wire Diameter: 1mm/0.04, Outer Diameter: 10mm/0.39(OD), Free Length: 40mm/1.57. [Material] - Made of highly elastic... Compression spring steel wire spring is used for everything from home appliances to motor equipment, motor, etc. Alloy spring steeloffers good mechanical properties with greater corrosion and heat resistance than music wire uxcell Extension Spring - 2.5mm Wire Dia , 18mm OD Compression Spring Assortment Uxcell Wire Diaeter 0.01", OD 0.16", Free Length 0.59" Spring Steel Compression Springs By Size Made of Alloy spring steel , features high elasticity and good precision, installed small size and generate strong force. ThermoPro TP157 Indoor Hygrometer Thermometer delivers precise indoor temp & humidity readings with an easy-to-read LCD display & high accurate readings By the load acting on them or their ends being compressed, the compression spring is compressed by the wire design trying to return the spring back to its original shape, thus the load is pushed back.
