Assorted Size Spring Kit: This spring assortment comes with a total of 200 springs in 20 different sizes to meet your diversified needs Wide Applications: The steel wire tension spring kit can be widely used for tools and hardware, hand tools, automobiles, spares and more Convenient storage box: 200 metal tension spring kit comes in a durable plastic storage case and different types of springs are divided into convenient sections for easy accessSturdy and durable: made of zinc plated steel with maximum corrosion resistance and durability, these extension springs will provide reliable support for years to comeTiberham Assortment of 200 extension springs and Compression Springs for Home and Industrial Use Main Features:- 200 pack of springs in 20 different sizes to meet your different needs.- Widely used for tools and hardware, hand tools, automotive, spare parts and many more. more.- Various types of springs clearly arranged in a durable plastic storage case for easy storage and access.- Made of zinc plated steel with maximum corrosion resistance and durability for long use.Specifications:Material : zinc plated steel.Colour: silver.Contents:Compression springs:7 x 13 mm (10) - 6 x 12 mm (10).5.5 x 27 mm (quantity 10) 9.5 x 16 mm (quantity 6 ).9 x 18 mm (12) - 9 x 35 mm (8).5.5 x 38 mm (quantity 10) - 7 x 19 mm (quantity 10).Extension springs:5 x 10 mm (10) - 5.5 x 14mm (10).6 x 10mm (Quantity: 10) 8 x 13mm (quantity: 8).7.5 x 17mm (Qty 10) - 8.5 x 26mm (Qty 12).8 x 50mm (Qty 12) 7 x 55mm (Qty 12).4 x 70mm (Qty 12) 5 x 34mm (quantity 8).7 x 25mm (10) - 8 x 23mm (10). Note: The data are all manual measurement, please allow an error of 1 - 3cm, due to the light and display difference, there will be some color difference, depending on the physical object received.