Small Hole Gauge Set, Range 0.125 in to 0.5 in, Contact Style Split Ball, Included Gauge Ranges 1/8 in to 5/32 in, 13/32 in to 1/2 in, 13/64 in to 5/16 in, 5/16 in to 13/32 in, 5/32 in to 13/64 in, Maximum Measurement - Inch 0.5 in, Maximum Measurement...