Specification Brand : BROLEO BulletPoint1 : at Will: There are 5 different sizes of height measuring devices and 2 hole gauges in the set, you can use them at will to complete your work. BulletPoint2 : Essential Tools for Woodworking: This woodworking gauge block has high hardness, wear resistance and long service life. It is very suitable for woodworking. BulletPoint3 : Easy to Read: Easy to read scale labels are engraved on each woodworking block to facilitate clear readings for your convenience. BulletPoint4 : More Acurrate: Heights of fences, blades and other knives can be set as desired, faster and more accurate than using a combination ruler. BulletPoint5 : Aluminum Alloy Material: Made of high quality aluminum, the is black anodized, which will not damage the milling cutter and saw blade. Color : Black ExternallyAssignedProductIdentifier : 7805368044320 IncludedComponents : 10 pair of parallel set ItemName : Carpentry Gauge Block, 7PCS Accurary Black Anodized Suface Setup Block Gauge for Measurement (Black) ItemPackageDimensions_Height : 4 centimeters ItemPackageDimensions_Length : 20 centimeters ItemPackageDimensions_Width : 9 centimeters ItemTypeKeyword : gage-blocks Manufacturer : BROLEO MeasurementAccuracy : +/- 0.0003" ModelName : BROLEOv6n7gy1w9i-12 ModelNumber : BROLEOv6n7gy1w9i-12 NumberOfItems : 1 PartNumber : BROLEOv6n7gy1w9i-12 ProductDescription : Specification: Item Type: Setup Block Gauge Material: Aluminum alloy Use: Woodworking tools