https://www.compressionspring.com/pc177-2000-21000-hd-12000-cg-n-in.html
PC177-2000-21000-HD-12000-CG-N-IN | Compression Spring Hard - Compression Spring Store
High-quality compression spring with a 0.177" wire diameter, 12" free length, and 96 lbs max load. Ideal for industrial applications, durable and resilient.