Original Metal Hand Twist Leveling Nuts + Heatbed Silicone Leveling Column Mount Buffers Springs for Ender 3 V2 / Pro, CR-10S Pro CR10 V2 / Mini, Ender 5 Plus 3D Printer (Bed Nuts)

Description Package: 4pcs large size nuts, 3pcs 18mm long silicone mounts, 1pcs 16mm long silicone mounts and 4pcs bed springs.

If you use springs for your bed, then springs with this nuts can be used for most of 3D printers which platform fixing screw size is M4.