Cgshop-Compressed Spring Ball Point Pen Spring Small Compression Spring 0.4mm Wire Diameter*4 .5mm Out Diameter*18mm Length, 500PCS, Good Elasticity and More Durable
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.
0.4mm Wire Diameter x 4.5mm Out Diameter x18mm Length
Description
Sizes
0.4mm Wire Diameter x 4.5mm Out Diameter x18mm Length