Standard Diameter: 5/32" / .15625 Inches

Metric Diameter: 3.9688mm

Grade: 25

Material: AISI 52100 Chromium Steel

Ball Weight (each): .009001 Ounces / 0.2554 Grams

Chrome steel balls offer the precise geometry and fine surface finish that makes them especially useful for bicycles, casters, drawer slides, door locks and many other applications.