Standard Diameter: 13/16" / .8125 Inches
Metric Diameter: 20.638mm
Grade: 25
Material: AISI 52100 Chromium Steel
Ball Weight (each): 1.2668 Ounces / 35.912 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.