Specifications] - Compressed Length: 13mm/0.51inch; Load Capacity: 61.8N; Spring Rate: 8.83 N/mm [Material] - 304 Stainless steel wire offers good mechanical properties with greater corrosion and heat resistance than music wire [Products] - Outer Diameter: 8mm/0., 32inch; Wire Diameter: 1., 2mm/0., 05inch; Total Height: 20mm/0., 79inch; [Specifications] - Compressed Length: 13mm/0., 51inch; Load Capacity: 61., 8N; Spring Rate: 8., 83 N/mm as it is the type of spring required. 304 Stainless Steel Spring Uxcell Copression Spring,304 Stainless Steel,12 OD,1.5 Wire Size 8mm OD Compression Spring Aazon.co: Lueao Expansion Conical Cone Copression Spring 304... [Material] - 304 Stainless steel wire offers good mechanical properties with greater corrosion and heat resistance than music wire. Compression spring steel wire spring is used for everything from home appliances to motor equipment, motor, etc. Wire Diameter 0.8mm Compression Spring 304 Stainless Steel Shock [Feature] - Spring ends are closed for efficient force transfer and reduced possibility of tangling.