Specification AgeRangeDescription : adult Brand : MOZUO BulletPoint1 : [HIGHLY PRECISE MEASUREMENT] Ensure accuracy in checking location, hole size, depth, and gage slots with a tolerance of 0.001mm. BulletPoint2 : [ORGANIZED STORAGE] Includes a wooden case to keep the 50 pin gages neatly organized for easy access and identification. BulletPoint3 : [HUMIDITY MATERIAL] Made of bearing steel with hardness up to 58-63HRC for long-lasting use. BulletPoint4 : [WIDE APPLICATION] Ideal for electronic boards, circuit boards and accuracy machinery manufacturing. BulletPoint5 : [EASY IDENTIFICATION] Each pin gage is labeled with its corresponding size for quick and effortless identification. Color : Black ExternallyAssignedProductIdentifier : 7552280761247 ItemName : MOZUO 50pcs Pin Gage Set, 2.5-2.99mm Plug Pin Gage Set 0.001mm Tolerance Bearing Steel Accuracy Tool for Measurement Tool ItemPackageDimensions_Height : 8 centimeters ItemPackageDimensions_Length : 26 centimeters ItemPackageDimensions_Width : 15 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : hardware-pin-gauges Manufacturer : MOZUO Material : Aluminum ModelName : Generic1th0waf2q4 ModelNumber : MOZUOfg97kr0y43 NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : MOZUOfg97kr0y43 ProductDescription : Features: These accuracy tools are suitable for checking location, hole size and depth, gage slots, distance between holes, etc. Come with a wooden case to keep these pin gage neatly organized and easy to find. Each pin gage is labeled with corresponding size for easy identification. Made of bearing steel, through high temperature quenching and temper, hardness up to 58-63HRC. Widely used in high-tech fields such as electronic boards, circuit boards, accuracy machinery manufacturing.