Product Name: Compressed Spring Free Length: 15mm/0.59" Spring Size( Outer Diameter): 4mm/0.16"(OD) Wire Diameter: 0.3mm/0.01" Main Material: Alloy spring steel Package Content: 50pcs x Compressed Spring Made of Alloy spring steel , features high elasticity and good precision, installed small size and generate strong force. Spring ends are closed and ground flat (squared) for efficient force transfer and reduced possibility of tangling Alloy spring steel offers good mechanical properties with greater corrosion and heat resistance than music wire General use spring equipment tools etc.
