https://www.stockspringscatalog.com/pc015-125-19500-mw-1530-c-n-in.html
PC015-125-19500-MW-1530-C-N-IN | Compression Spring Music Wi - Stock Springs Catalog Store
High-quality compression spring with precise dimensions, strong Music Wire construction, and a 3.12 lb/in spring rate. Ideal for industrial and mechanical use.
https://www.acxesspring.com/pc015-296-8500-mw-1000-c-n-in.html
PC015-296-8500-MW-1000-C-N-IN | Compression Spring Music Wir - Acxess Spring Store
High-quality compression spring with 0.015" wire diameter, 0.50428 lb/in spring rate, and 8.5 coils. Ideal for industrial applications and durability.