Specification Brand : ERDANER BulletPoint1 : Product size:OD 12mm/0.47",Wire Diameter 1.2mm,Length 30mm/1.18". BulletPoint2 : Material:Made of Spring steel,offers good mechanical properties with greater corrosion and heat resistance than music wire as well as has high elasticity and high hardness. BulletPoint3 : Feature:Compression springs are designed with flat end coils and feature strong spring rates. BulletPoint4 : Application:For use in a variety of applications;appliances, tools, mechanical devices,contraptions and more. BulletPoint5 : Package content:10pcs Compression Spring. Color : Black ItemName : 10pcs Compression Spring,Steel Mechanical Compression Springs for Shop and Home Repairs,12mm OD,1.2mm Wire Diameter,30mm/1.18" Length ItemPackageDimensions_Height : 8.1 centimeters ItemPackageDimensions_Length : 1.3 centimeters ItemPackageDimensions_Width : 5.9 centimeters ItemTypeKeyword : compression-springs Manufacturer : ERDAN Material : Spring Steel PartNumber : DJ289702 ProductDescription : Compression springs like these are used for a variety of household and professional applications, and they feature a strong spring rate. 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.