<br><b>Quantity per Package:</b> 100 Pcs <br> <br><b>Grade:</b> 25 <br><b>Material:</b> Chrome Steel (AISI 52100) <br><b>Diameter:</b> 5 millimeters (0.19685" Inches) <br><b>Weight:</b> 0.0180 ounces (0.51046 grams) <br><br> PGN’s G25 5mm Chrome Steel Balls extremely precise and smooth surface guarantees you won't find any defects, such as flats, pits, soft spots, and cuts.