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 0.2mm, 0.25mm, 0.3mm, 0.35mm, 0.4mm, 0.45mm, 0.5mm 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.) Color : Brush Skirt 2pcs ExternallyAssignedProductIdentifier : 5603902197493 ExternallyAssignedProductIdentifier1 : 0758226357193 ExternallyAssignedProductIdentifier2 : 758226357193 FinishType : Titanium GpsrSafetyAttestation : 1 IncludedComponents : NO ItemName : KATUR Mini PCB Drill Bits 7pcs Spiral Flute Carbide Micro Drill Bits for Rotary Tool Jewelry CNC Board Power Engraving 0.2-0.5mm ItemPackageDimensions_Height : 10.4 centimeters ItemPackageDimensions_Length : 1.3 centimeters ItemPackageDimensions_Width : 10.2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : power-rotary-tools Manufacturer : KATUR Material : High Speed Steel MaximumCurrent : 0.1 amps ModelName : Brush Skirt ModelNumber : 0067XB NumberOfFlutes : 2 PartNumber : BT-0020 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.