Specification Brand : Fydun BulletPoint1 : [Easier Measuring] Used to scribe the center of circular plates and shafts, simplifying measurements. BulletPoint2 : [Portable Design] Lightweight and compact for convenient daily use. BulletPoint3 : [Material] Made of premium aluminum alloy for long-lasting durability. BulletPoint4 : [Improved Efficiency] Ensures high accuracy to enhance working efficiency. BulletPoint5 : [Wide Measurement Range] Features a 105mm scale with standard 45° and 90° markings. IncludedComponents : No ItemName : Center Gauge 105mm Aluminum Alloy Line Ruler for Woodworking ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 18 centimeters ItemPackageDimensions_Width : 12 centimeters ItemTypeKeyword : gage-block-accessories Manufacturer : Fydun Material : ABS MeasurementAccuracy : 0.1mm ModelName : Eujgoov6un0gp4ro7 ModelNumber : Fydungmb0naf2u9 NumberOfItems : 1 PartNumber : Fydungmb0naf2u9 PowerSourceType : Ac/Dc ProductDescription : Spec: Item Type: Center Gauge Material: Aluminum Alloy Color: Red Function: Draw the center line of a circle, find the center of a circle, draw a 45° line, and draw a vertical line. Range: Approx. 105mm / 4.13in Minimum Scale: 1mm Use: For woodworking measurement.