BZ 3D Ender 3 Heated Bed Leveling Springs Upgrade Kit,4Pcs Metal Nuts+ 4Pcs Hot Bed Springs +5Pcs Silicone Solid Bed Mounts for 3D Printers Ender 3/V2/Pro/Ender 3 S1/Pro/Plus/Ender 3 Neo/V2/Max Neo.

• Aluminum Hand Twist Level Nut-Made by high quality aluminum,last much longer than plastic nuts.The torque of these nuts is large, making it easier to fine tune the hot bed.Metal nut is more powerful and will twist more tightly than plastic nuts.
• Silicone leveling column made from premium silicone, it is stable, durable and heat-resistant. Can help cutting back vibrations .These silicone buffers serve to replace on your heating bed original springs and it is no longer possible movement, your set levels remain.
• Silicone Solid Bed Mounts is 4 high and 1 short (don't include Print firmware).Compatible:Ender 3/ Ender 3 Pro/ Ender 3 V2/Ender 3 S1/S1 Pro/S1 Plus/Ender 3 Neo/V2 Neo/Ender 3 Max Neo 3D Printers etc.
• Note: The Silicone Solid Bed and Springs will be a little short for Ender 5 Series and CR-10 Series 3D Printers.Please measure your spring size before buying this product to ensure you buy the right model.
• Hot bed Die Spring:The 3D printer spring made of spring steel is harder, more durable, has a longer service life and can be reused.After-sales guarantee: each defective item can be replacement for free or refund.If any question, please feel free to contact or QA us, BZ 3D is committed to providing you with the best service!

Package Included: Aluminum Hand Twist Level Nut X 4 M4*35 Hot Bed Screws X 4 20mm Heatbed Springs X 4 Solid bed mounts (length:18mm) X 4 Solid bed mounts (length:16mm) X1