Standard Diameter: 1/4" / .25 Inches

Metric Diameter: 6.35mm

Grade: 25

Material: AISI 52100 Chromium Steel

Ball Weight (each): .036897 Ounces / 1.046 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.