$9.99 (as of 23/10/2019 02:46 PDT details )
Features:
- Compatible with most 3D printer bed, such as Ender 3, Ender 3 Pro, CR 10 10S S4 S5
- Hole Diameter OD 0.31 8mm Rod Diameter Inner Dia 0.16 4mm Length 0.8 20mm
- Keeps print bed level better
- After Sales Guarantee 24 hours customer servie