Length 20mm, Diameter 8mm

• Manufacturer: Various
• Manufacturer: Various

This is an easy spring to source. It is the type used a lot with 3D printer beds. The strength and wire thickness are not so critical. It is used for the Spitfire chassis lever and is a good candidate for other lever situations.

Supplier Links

https://www.amazon.co.uk/ALLNICE-10PCS-Compression-Spring-Yellow/dp/B07JMTD1VH/ref=sr_1_16

https://www.ebay.co.uk/itm/231462128064

Indicative Pricing With Allowance for P&P

These are a very common spring though it's not so easy to buy them individually. £7 for a pack of 10 is common. I have found them as cheap as £2 each on eBay.

£2

Substitutions

Slightly longer is OK but keep the diameter at 8mm.