G10 Grade High Precision Bearing Steel Balls Dia 3.175 3.2 3.5 3.969 4 4.1 4.5 4.763 4.8 5mm to 30mm GCR15 Smooth Round BeadsHome Improvement > Hardware0,55 USD (≈ 0,45 CHF)0,73 USDDisponibileSold by AliExpress WWVai al negozio