Specification Brand : QMGXOU BulletPoint1 : Special alloy steel pen head for quick, flexible and comfortable operation. BulletPoint2 : Included 1pc air engraving pen, 1pc replacement stylus tip, 1pc male connector, 1pc hose, 1pcs spanner BulletPoint3 : Small size, light weight, pen design. Easy to use with one hand. BulletPoint4 : Ideal for use on metal, plastic, ceramics, glass and fossils. BulletPoint5 : Up to 8mm engraving depth depending on material. BulletPoint6 : Minimal Vibration: One-piece cast iron base allows for heavier cuts and ensures accuracy Color : Gray ExternallyAssignedProductIdentifier : 7427044304629 ExternallyAssignedProductIdentifier1 : 662755510823 ExternallyAssignedProductIdentifier2 : 0662755510823 ExternallyAssignedProductIdentifier3 : 00662755510823 IncludedComponents : No ItemName : Scribe and Engraving Pen Air Micro Die Grinder Kit 13000 RPM For Grinding/And Finishing/Metal Sheet ItemPackageDimensions_Height : 0.3 inches ItemPackageDimensions_Length : 0.3 inches ItemPackageDimensions_Width : 0.2 inches ItemPackageQuantity : 1 ItemTypeKeyword : power-die-grinders Manufacturer : QMGXOU Material : Other Material1 : Cast Iron Material2 : Steel MaximumRotationalSpeed : 28000 rpm MinimumSpeed : 8000 rpm ModelName : TANIQIACA1w0op3ki6x ModelNumber : WL-0085 NumberOfBoxes : 1 NumberOfItems : 1 PackageLevel : unit PartNumber : Air Engraving Pen PowerSourceType : ac/dc ProductDescription : Specification: Item Type: Pneumatic Air Engraving Pen Material: Alloy steel Length of the engraving pen nib:58mm Engraving pen nib:8MM Average air consumption: 90 PSI No-load speed: 13000 rpm Length:130*11mm Weight: about 0.175 KG High speed rotating to enhance the working efficiency, providing a smooth work. Can be applied in various metal cleaning, chamfering, grinding, engraving, internal processing.