Corrosion-Resistant 302 Stainless Steel- Won't corrode from exposure to moisture and mild chemicals, including ammonia often found in cleaning solutions. These springs are easier to compress than steel, but can't handle as high a load Widely used in the maintenance of household appliances, pens, motors, lawnmowers, etc. [Products] - Outer Diameter: 4mm/0., 16inch; Wire Diameter: 0., 3mm/0., 01inch; Total Height: 15mm/0., 59inch; By the load acting on them or their ends being compressed, the compression spring is compressed by the wire design trying to return the spring back to its original shape, thus the load is pushed back. 304 Stainless Compression Springs Uxcell Compression Spring, 5Pcs 304 Stainless Steel, 4mm OD, 0.3mm Wire, 25mm Length Small Mechanical Springs Description:Compression springs are open-coil helical springs that are used to absorb shock in a variety of applications. They absorb the energy of a force acting upon them by becoming shorter, store that energy while compacted, and expand as they release the energy [Specifications] - Compressed Length: 9mm/0., 35inch; Load Capacity: 2N; Spring Rate: 0., 33 N/mm as it is the type of spring required. Unifizz 10Pcs Copression Springs Assortent Kit,304 Stainless Steel [Application] - Compression spring steel wire spring is used for everything from home appliances to motor equipment, motor, etc.