Material: durable POM wheels, full metal 625zz bearings.
Specification: Bore diameter: 0.19in/5mm, Outer Diameter: 0.94in/24mm, Height: 0.43in/11mm, Net Weight: 14g/pcs
Advantages: this plastic pulley wheels low noise, smooth and stable motion, solve wobble problem, improve the printing quality and speed.
Application: V groove wheels, for v guide wheels. Do well for 3D Printers Creality Ender 3 CR-10, CR-10S, Tevo Tarantula, the laser engraver, CNC router hybrid, 8020 3030, etc.
Feature: each plastic pulley wheels with the precision center spacers between the two bearings. If the shim does not exist or too thin, then the bearing will be damaged when pressure is applied during wheel installation.