Specification Brand : Gearwell BulletPoint1 : FUNCTIONS AND EFFECTS: The measuring block is the highest accuracy benchmark for converting broadcast wavelengths to solid length dimension. And by comparison measurement, the dimensional injection technique is transferred to the accurate measuring instrument, measuring tool and workpiece BulletPoint2 : STABLE MATERIAL: Steel gauge block set is made of excellent steel and processed by good heat treatment, has the characteristics of good grinding force and stable size BulletPoint3 : CALIBRATION MEASUREMENT: The thickness gauge block group is ground and polished to have a very low micro surface finish with an accuracy of ±0.00005in BulletPoint4 : ACCURATE AND SMOOTH: Steel gauge blocks have high accuracy, low surface roughness and good grinding force for calibrating other accuracy of meter BulletPoint5 : 103PCS IN TOTAL: The package contain a total of 103pcs gauge blocks, enough for you to replace and use, very convenient Color : Silver ExternallyAssignedProductIdentifier : 8399846746688 IncludedComponents : block ItemDisplayDimensions_Height : 0.98 centimeters ItemDisplayDimensions_Length : 3.07 centimeters ItemDisplayDimensions_Width : 1.97 centimeters ItemDisplayWeight : 0.98 pounds ItemName : 103Pcs Steel Gauge Block Set Calibration Blocks with Case Ultra High Accuracy for Instrument Caliper Tool Set for Calibrating Other Accuracy of Gauge ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 33 centimeters ItemPackageDimensions_Width : 22 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : gage-blocks Manufacturer : Gearwell Material : steel ModelName : Gearwellgowu5shnq4 ModelNumber : Gearwellgowu5shnq4 NumberOfItems : 1 NumberOfLithiumMetalCells : 1 PartNumber : Gearwellgowu5shnq4 ProductDescription :