Quantity per Package: 500 Pcs

Grade: 25 
Material: Chrome Steel (AISI 52100) 
Diameter: 3/16" Inches (4.7625 millimeters) 
Weight: 0.01566 ounces (0.44398 grams) 

PGN's G25 3/16" Inches Chrome Steel Bearing Balls extremely precise and smooth surface guarantees you won't find any defects, such as flats, pits, soft spots, and cuts.