Specification Brand : Oumefar BulletPoint1 : 【A SCOPE OF APPLICATION】This calibration block is mainly used for calibrating micrometers. BulletPoint2 : 【HIGH PRECISION TOOLS】The stainless steel calibration bar is professional measuring tool, various specifications for your choice. BulletPoint3 : 【LIGHTWEIGHT AND EASY】The stainless steel calibration bar has reasonable size and light weight, convenient to use and carry. BulletPoint4 : 【 BRAND AND NEW】The stainless steel calibration bar is high quality and brand new. BulletPoint5 : 【SOPHISTICATED CRAFTS】The stainless steel calibration bar is made of premium stainless steel, not easy to deform, durable in use. ExternallyAssignedProductIdentifier1 : 0886102660294 ExternallyAssignedProductIdentifier2 : 886102660294 ItemName : Stainless Steel Calibration Block Rod Bar Professional Standard Caliper Outside Micrometer Calibration Rod for Calibrating Micrometers (75mm) ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 8 centimeters ItemPackageDimensions_Width : 1 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : gage-blocks ModelNumber : Oumefarozxuw4nmga-03 PartNumber : Oumefarozxuw4nmga-03 ProductDescription : Feature: Made of premium stainless steel, not easy to deform, durable in use. 100% high quality and brand new. A professional measuring tool, various specifications for your choice. Reasonable size and light weight, convenient to use and carry. Mainly used for calibrating micrometers. Spec: Material: Stainless steel Purpose: measurement Measuring range: 25mm, 50mm, 75mm, 100mm (Optional)