https://www.stockspringscatalog.com/pc035-234-21500-mw-2530-cg-n-in.html
PC035-234-21500-MW-2530-CG-N-IN | Compression Spring Music W - Stock Springs Catalog Store
High-quality compression spring with 0.035" wire diameter, 2.53" free length, 14.03 lb/in spring rate, and durable Music Wire material for reliable performance.
https://www.acxesspring.com/pc035-250-13000-mw-1000-c-n-in.html
PC035-250-13000-MW-1000-C-N-IN | Compression Spring Music Wi - Acxess Spring Store
High-quality compression spring with 0.035" wire diameter, 1.0" free length, and 19.72 lb/in spring rate. Durable music wire for reliable performance.