Adjustable Go/No-Go Snap Gauge Range 0.24 in to 0.51 in Dimension Type Inch Minimum Measurement - Inch 0.24 in Operation Type Mechanical Anvil Diameter 0.484 in Anvil Flatness 59 uin Measurement Style Go/No-Go Gauge Limit Setting Parallelism 1.26 in Throat Depth 1.024 in