(100 pieces) pgn - 3/16" inch aisi 440 stainless steel bearing balls g25 pgn bearings <br><b>quantity per package:</b> 100 pcs <br> <br><b>grade:</b> 25 <br><b>material:</b> stainless steel (aisi 440) <br><b>diameter:</b> 3/16 inches (4.7625 millimeter) <br><b>weight:</b> 0.0156 ounces (0.44398 grams) <br><br> pgn’s g25 3/16" stainless steel bearing balls extremely precise and smooth surface guarantees you won't find any defects, such as flats, pits, soft spots, and cuts.