Torsion spring material: stainless steel Dimensions: outer diameter*wire diameter*length*angle Features: anti-corrosion and anti-rust, strong and durable, good elasticity Uses: household appliances, furniture, toys, industrial machinery, electronic equipment Note: Since the spring dimension contains angle, direction, and coil. Please confirm the size you need before purchasing, so as not to cause inconvenience to you, Manufacturer: PAKMEZ