Here is an image of the spring and info. This spring is stainless and will be better.
Type Compression Springs
Material Type 302 Stainless Steel
Ends Closed
Wire Type Round Wire
Outside Diameter 3/8"
Overall Length 2"
Wire Size .047"
Maximum Load 11.07 lbs.
Maximum Deflection 1.03"
Rate 10.78 lbs./inch
Solid Height .89"
System of Measurement Inch