ITEM NAME:10x F623ZZ Mini Metal Flange Ball Bearing Shielded Deep Groove Printer 3x10x4mm 10PCS F623ZZ Metal Mini Flange Ball Bearing Shielded Deep Groove 3D Printer 3x10x4mm SPECIFICATIONS.Model: F623ZZ. Item included: 10 x flange ball bearing. Suitable for: 3d printer. Color: Silver.