Specification Brand : HARFINGTON BulletPoint1 : Size - 1 piece of 0.14mm pin gage, each gauge size is clearly marked. Tolerance: ± 0.001, length: 50mm/2-inch, surface roughness: <0.2um. BulletPoint2 : Material - Made of bearing steel (GCR15) with high permeability, the heat treatment hardness of the pin gauge is up to 58 HRC, sturdy and durable. BulletPoint3 : Feature - Industrial high precision measurement accuracy ± 0.001 (Class X Tolerance ). Smooth surface, anti-rust, and wear-resistant. BulletPoint4 : Application - Used for measuring holes, hole spacing, and slot width, especially suitable for electronic inspection of the precision micro holes and measuring circuit boards in the electrical hardware industry. BulletPoint5 : Note - For high-precision measurement and calibration, it should be placed at a constant temperature of 20°C for 2 hours. Color : Silver Tone ExternallyAssignedProductIdentifier1 : 0752273535610 ExternallyAssignedProductIdentifier2 : 752273535610 FinishType : heat treatment ItemName : HARFINGTON 0.0055" Pin Gage 0.14mm Diameter Metric Tolerance 0.001mm Class X Plug Gage Pin, Bearing Steel Go No-Go Plug Gage ItemPackageDimensions_Height : 9.398 centimeters ItemPackageDimensions_Length : 1.397 centimeters ItemPackageDimensions_Width : 6.096 centimeters ItemPackageQuantity : 1 ItemShape : rod shape ItemTypeKeyword : hardware-pin-gauges Manufacturer : HARFINGTON Material : bearing steel ModelNumber : hta220923hh1397 NumberOfItems : 250 PartNumber : hta220923hh1397 ProductDescription : 1 piece of 0.14mm pin gage, each gauge size is clearly marked. Tolerance: ± 0.001, length: 50mm/2-inch, surface roughness: <0.2um. Made of bearing steel (GCR15) with high permeability, the heat treatment hardness of the pin gauge is up to 58 HRC, sturdy and durable. Used for measuring holes, hole spacing, and slot width, especially suitable for electronic inspection of the precision micro holes and measuring circuit boards in the electrical hardware industry Industrial high precision measurement accuracy ± 0.001 (Class X Tolerance ). Smooth surface, anti-rust, and wear-resistant. Notice: For high-precision measurement and calibration, it should be placed at a constant temperature of 20°C for 2 hours. Available in a range of sizes from 0.10 mm to 2.00 mm