Don't settle for puny springs salvaged from pens - these will provide you with the force you need to really grip filament without having to over compress your springs.
Also great for suspending your heated bed for adjustable levelling.
7.5mm Outer Diameter
1mm Wire Diameter
⚠️ WARNING: This product can expose you to chemicals including Mineral Oils, which is known to the State of California to cause cancer, and Lead and Nickel, which are known to the State of California to cause cancer and birth defects or other reproductive harmRead More About P65 Warnings