Specification Brand : uxcell BulletPoint1 : Compression Springs: The package contains 2pcs of extension springs, their wire diameter is 1mm / 0.04", outer diameter is 15mm / 0.59", and the length is 90mm / 3.54". BulletPoint2 : Durable Material: These compression springs are made of 304 stainless steel, which is rust-proof and corrosion-resistant. The material has good performance, high-temperature resistance, and durability, making it suitable for long-term indoor and outdoor use. BulletPoint3 : Flexible and Elastic: The spring adopts an open coil spiral design, with large coil spacing, and prominent curves, and can effectively absorb shock. It has good plasticity and elasticity, providing stable support for mechanical devices. BulletPoint4 : Easy to Use: No tools are required, usually insert them into the corresponding holes or fixtures, saving time and effort. The compression spring can withstand a certain load and cannot deform or damage easily. BulletPoint5 : Application: The spring coil provides a good balance of strength and flexibility, making it suitable for shop and home repairs, DIY projects, ballpoint pens, toys, household appliances lawn mowers, and electronic devices. BulletPoint6 : 5: Size: as shown Color : Silver Department : Unisex Adult ExternallyAssignedProductIdentifier : 9126981494780 FinishType : Silver ItemName : uxcell 2Pcs Compression Springs, 1mm Wire Diameter x 15mm OD x 90mm Length 304 Stainless Steel Extension Spring Ballpoint Pen Pressure Springs for Shop Home Repairs, Silver ItemPackageDimensions_Height : 0.79 inches ItemPackageDimensions_Length : 5.51 inches ItemPackageDimensions_Width : 3.94 inches ItemPackageQuantity : 2 ItemTypeKeyword : compression-springs Manufacturer : uxcell Material : 304 Stainless Steel Material1 : stainless_steel_304 Material2 : manganese_steel Material3 : steel ModelName : Compression Springs ModelNumber : EIITWCBF-LENGTH5MM NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : a24072100ux0135 ProductDescription : Description: Durable Material: These compression springs are made of 304 stainless steel, which is rust-proof and corrosion-resistant. The material has good performance, high-temperature resistance, and durability, making it suitable for long-term indoor and outdoor use. Flexible and Elastic: The spring adopts an open coil spiral design, with large coil spacing, and prominent curves, and can effectively absorb shock. It has good plasticity and elasticity, providing stable support for mechanical devices. Easy to Use: No tools are required, usually insert them into the corresponding holes or fixtures, saving time and effort. The compression spring can withstand a certain load and cannot deform or damage easily. Application: The spring coil provides a good balance of strength and flexibility, making it suitable for shop and home repairs, DIY projects, ballpoint pens, toys, household appliances lawn mowers, and electronic devices.