Precision Inspection Gage Ball Set - Inches

Features include...

• 26 Pairs in Inch sizes from 1/8" to 1"
• 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 9/32"
• 5/16", 11/32", 3/8", 11/32", 7/16", 15/32", 1/2"
• 17/32", 9/16", 19/32", 5/8", 21/32", 11/16"
• 23/32", 3/4", 13/16", 7/8", 15/16", 1"
• Chrome Alloy Steel, hardened to 63 RC
• Surface Finish to 1.5 u inches
• Within 0.00001" of actual size
• Spherical Accuracy within 0.000025"