Specification Brand : KATUR BulletPoint : Sold on Amazon BulletPoint1 : ★【PCB Drill Bit】Made of high speed steel,stable and durable,can provide great convenience for your 3D printer nozzle cleaning. BulletPoint2 : ★【Size】Including 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm,0.9mm, 1.0mm, 1.1mm, 1.2mm head diameter. BulletPoint3 : ★【Easy to store and carry】Comes with a high quality blow molding storage box, twist drills in every sizes have their own slot. BulletPoint4 : ★【Use for】The mini PCB drill bits can be used for plastic, fiberglass, steel, aluminium, copper and brass, titanium, jewelry. BulletPoint5 : ★【Buy with Confidence】We offer "TWO YEAR" warranty on item(s) that confirm to be manufacturer defect.We'll respond within 24 hours on weekdays.(Please clamp the shaft in right place and necessary protective measures in woodworking processing.) BulletPoint6 : High performance at economy price BulletPoint7 : 10 millimeter segment height for long blade life Color : Green CompatibleMaterial : Stone ExternallyAssignedProductIdentifier1 : 0713831106123 ExternallyAssignedProductIdentifier2 : 713831106123 ExternallyAssignedProductIdentifier3 : 00092333796378 FinishType : Titanium Hazmat : 9 IncludedComponents : 1 Metabo Branded Product IncludedComponents1 : attachments IncludedComponents2 : bare-tool IncludedComponents3 : battery IncludedComponents4 : case ItemDisplayDimensions_Height : 21 inches ItemDisplayDimensions_Length : 4 inches ItemDisplayDimensions_Width : 4 inches ItemDisplayWeight : 0.8 pounds ItemName : KATUR Mini PCB Drill Bits 10pcs Spiral Flute Carbide Micro Drill Bits for Rotary Tool Jewelry CNC Board Power Engraving 0.3-1.2mm ItemPackageDimensions_Height : 10.5 centimeters ItemPackageDimensions_Length : 1.4 centimeters ItemPackageDimensions_Width : 10.3 centimeters ItemPackageQuantity : 1 ItemShape : Rectangular ItemTypeKeyword : power-rotary-tools Manufacturer : KATUR Material : High Speed Steel MaximumRotationalSpeed : 10000 rpm MinimumSpeed : 10000 rpm ModelName : MK-299DT 4-1/2" x .250" x 7/8"-5/8" ModelNumber : DR-11235 NumberOfItems : 1 PackageLevel : unit PartNumber : BT-5338 Pattern : drill handpiece PowerSourceType : Corded Electric ProductDescription : Features: Made of high speed steel,hardness and stable. Can provide great convenience for your 3D printer nozzle cleaning. These drills can be used on CNC Machines, micro milling or drill machines, drill presses, or hand held tools.