Product: 8mm/0.31inch OD, 1.2mm/0.05inch Wire Diameter,25mm/0.98inch Total Height. Dry to the touch oil finish for added corrosion resistance.Heat tempered spring steel The Compression springs give resistance to a pulling force and become longer under load. Compression spring steel wire spring is used for everything from home appliances to motor equipment, motor, etc. as it is the type of spring required. Package Content : 18Pcs x Compression Spring, Weight: 6.25E-4 Pounds, Manufacturer: Sourcingmap