Specification Brand : GTPBAO BulletPoint1 : Material: Spring Steel BulletPoint2 : Wire Diameter: 2.5mm, Outer Diameter: 36mm. BulletPoint3 : Free Length:20/25/30/35/40/45/50/60/70/80/90/100mm BulletPoint4 : hard and durable.Excellent deflection capabilities, optimal wire design for spring life. BulletPoint5 : Compression spring steel wire spring is used for everything from home appliances to motor equipment etc. Color : One Color ItemName : Buffer Compression 5PCS, Compressed Springs, 2.5mm Wire Diameter x 36mm Outer Diameter x (20-100)mm Free Length, Spring Steel Compressed Springs Spiral Loaded ( Size : 2.5x36x40mm ) ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 15 centimeters ItemPackageDimensions_Width : 10 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : compression-springs Manufacturer : GTPBAO Material : Metal ModelNumber : FBAGBCDR-2.5X36X40MM NumberOfItems : 1 NumberOfPieces : 1 PartNumber : FBAGBCDR-2.5X36X40MM ProductDescription : Prodect Name: Spring Steel Compression Spring