20pcs Heated Bed Springs for 3D Printer Extruder Compression Spring 7.5 x 20 mm

Note:Carbon steel material, stronger than ordinary steel, we recommend apply to your 3.5 mm aluminum bed plate or thicker. Feature:Compatibility: for most 3D printer bed.Carbon steel material, with excellent elasticity, surface hardness, stronger than ordinary steel. Specification:Color: SilverMaterial: Carbon SteelFree Height: 20 mm / 0.79 inchOuter Diameter: 7.5 mm / 0.3 inchInner Diameter: 5 mm / 0.2 inchWire Diameter: 1.2 mm Package Content:20 x Springs.

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