Standard Diameter: 1/8" / .125 Inches

Metric Diameter: 3.175mm

Grade: 25

Material: AISI 52100 Chromium Steel

Ball Weight (each): .004614 Ounces / 0.1308 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.