1/2" Inch Chrome Steel Ball Bearings G25
Standard Diameter: 1/2" / .50 Inches
Metric Diameter: 12.7mm
Material: AISI 52100 Chromium Steel
Ball Weight (each): .2952 Ounces / 8.369 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.