10 PACK 2mm 3mm 4mm 5mm 6mm 7mm 8mm 9mm 10mm 12mm Stainless Steel Ball Bearings

4.5 mm ~0.177" Skateboard bearings (non-standard). 5 mm ~3/16" (4.762 mm) Standard industrial bearings. Material Excellence: Manufactured from corrosion-resistant A2 304 Stainless Steel for outstanding performance in damp or harsh conditions.