Cgshop-Compressed Spring Wire Diameter 0.6mm Outer Diameter 3-8mm 60/90/120/180 Degree Micro Torque V-Spring, 10pcs, Good Elasticity and More Durable(3.5mm(10pcs),0.6mm(180 Angle))
The spring is made of rust-resistant steel, which prevents rust in humid environments and has strong acid resistance, antioxidant properties, and corrosion resistance.
It is widely used for the repair of fountain pens, household appliances, electric motors, factory machinery, lawn mowers, and the like.