Specification Brand : EISCO BulletPoint1 : Set of 5 springs BulletPoint2 : Each spring has a different constant BulletPoint3 : Great for classroom activities BulletPoint4 : Springs are 2" in length BulletPoint5 : Various Application -- Widely used for Home repair and tool replacement, DIY project, electronic product, toys, industry, machinery and so on. BulletPoint6 : HIGH QUALITY: 304 stainless steel compression spring embraces high-quality steel finishing composition, the channel is precisely formed in one time, strong fatigue resistance. Smooth surface, no burr, not easy to corrosion, after thousands of repeated pressure experiments, still maintain the elasticity, can be used repeatedly. BulletPoint7 : CONVENIENT STORAGE: Store the spring in a dry place until your next use. You can store the springs in our included repair box, or other containers, so you can use them again and again for other projects involving tools. BulletPoint8 : WIDE RANGE OF APPLICATIONS: The springs can also be used for all kinds of pen springs replacement, leather springs, luggage springs, stationery springs, camera springs, precision equipment springs and all kinds of transportation, hardware springs, electronic weighing springs, remote control springs, stroller springs, washing machine springs, vacuum cleaner springs, car springs, furniture springs, switch springs, socket springs, water heater springs, calculator springs, ignition springs, mouse springs, motor springs, cell phone springs, fan springs, video DVD springs, etc, to meet your needs in different work. BulletPoint9 : AFTER SALE: If there is a quality question, please feel free to contact us, We will do my best to solve your problem as soon as possible, until you are satisfied. Color : One Color ExternallyAssignedProductIdentifier : 3665860237972 ExternallyAssignedProductIdentifier1 : 849230039288 ExternallyAssignedProductIdentifier2 : 0849230039288 ExternallyAssignedProductIdentifier3 : 00849230039288 GpsrSafetyAttestation : 1 IncludedComponents1 : 0.45*5*10mm (40pcs), 0.5*6*10mm (30pcs), 0.55*6.5*10mm (20pcs), 0.6*7*10mm (20pcs), 0.65*7*10mm (20pcs), 0.7*7*10mm (20pcs) IncludedComponents2 : 0.45*5*15mm (30pcs), 0.5*6*15mm (15pcs), 0.55*6.5*15mm (18pcs), 0.6*7*15mm (15pcs), 0.65*7*15mm (15pcs), 0.7*7*15mm (15pcs) IncludedComponents3 : 0.45*5*20mm (20pcs), 0.5*6*20mm (15pcs), 0.55*6*20mm (12pcs), 0.6*7*20mm (10pcs), 0.65*7*20mm (10pcs), 0.7*7*20mm (8pcs) IncludedComponents4 : 0.45*5*25mm (20pcs), 0.5*6*25mm (15pcs), 0.55*6*25mm (12pcs), 0.6*7*25mm (10pcs), 0.65*7*25mm (10pcs), 0.7*7*25mm (8pcs) ItemName : Eisco Labs 2" Spring Set for Studying Hooke's Law - Set of 5 ItemPackageDimensions_Height : 9.9 centimeters ItemPackageDimensions_Length : 1.5 centimeters ItemPackageDimensions_Width : 7.3 centimeters ItemPackageQuantity : 1 ItemShape : Cylindrical ItemTypeKeyword : compression-springs Manufacturer : EISCO Material : stainless_steel_304 ModelName : Stainless Steel Springs ModelNumber : PH0323SS NumberOfItems : 1 NumberOfPieces : 20 PartNumber : PH0323SS PinType : Spring PinType1 : Spring PinType2 : Taper PinType3 : Cone ProductDescription : This set of five springs is great for in depth studying of the principles of Hooke's Law. Each spring has a different constant. For use with Eisco Labs Hooke's Law Apparatus (PH0322). The springs are as follows: Spring constant | Maximum weight 10g/cm |100 g 20g/cm | 225 g 50g/cm | 550 g 100g/cm | 1100 g 200g/cm | 2200 g ProductSiteLaunchDate : 2016-07-06T16:32:19.894Z Size : 0.8x12-20x30mm SpecificUsesForProduct : Machine parts that use elasticity to work SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 41000000