Product Name: High Precision Irreversible Plain Smooth Plug Gauge Go Nogo Gauge Model NO.: 1.5-500 Customized: Customized Shape: Round Usage: For Inspection Certification: ISO Precision Gauge: Precision Gauge Material: Steel Test Methods: Through Check Method Measurement Object: Inside Diameter Type: Limit Gauge Size: 1.5-500 Other Name: Pin Gauge Trademark: forward Transport Package: Plastic Box Specification: 1.5-500 Origin: Hebei HS Code: 9017300000 Product Description plain"go"and"no go"pluggaugeslimit gagessize : 1.5-500mm, other size we can accept customized ,Standard conditions for measurement: temperature is 20 C.Precision :H7 H8 H9Smooth hole gauge (plug gauge) is a kind of precise gauge used tomeasure the size of the workpiece. Smooth hole gauge (plug gauge)is made into two kinds of large and small size.Product Picture