4pcs M3 Heated Bed Spring Leveling Kit + Screws & Nuts For 3D Printer Parts Set

4pcs/set M3 20 Screw Nuts Heated Bed Spring Knob Leveling Kits For 3D Printer. M3 screw Leveling spring knob. M3 Screw Heatbed Kit. DIY Leveling Modules.

eBay