>Die Spring: compatible with most 3D Printer Bed, great for Ender 3, Ender 3 Pro, Ender 3 V2, Ender 3S, Ender 3 S1, Ender 3 V2 Neo, Ender 2 TronXY X5S/ Geetech A10m (Note: This 20mm length is not suitable for CR10 series which may needs the ones 25mm long)
>High Temperature Resistance, High Strength: Yellow spring is the lightest load, harder than normal spring, which can help your 3D printer to print more stable
>Sturdy: The yellow abrasive springs are stronger and better keep the print pad level Product features
>Easy Installation: Unscrew the adjustment knobs from the bottom of your print bed and replace those springs with these new ones. Screw the adjustment knobs back into the print bed with these new springs and you're done! Level your bed and keep on printing
>Size: Hole Diameter (OD):0.31"/ 8mm;Rod Diameter (Inner Dia):0.16"/ 4mm; Length:0.78"/ 20mm; Loading Grade