Specification Brand : Culnflun BulletPoint : Micro Drill Bits BulletPoint1 : [HIGH-SPEED STEEL MATERIAL] Twist drill bits made from high-speed steel for durability and high hardness. BulletPoint2 : [5 DIFFERENT SIZES] Set includes 5 pieces of the most popular drill bits in varying sizes for versatility. BulletPoint3 : [EXTRA LONG CUTTING ] Allows for drilling deep holes effortlessly and effectively,Fulfills a wide variety of your drilling needs. BulletPoint4 : [MULTIPLE DRILLING JOBS] Great for aluminum, wood, and plastics, suitable for various drilling tasks. BulletPoint5 : [EFFORTLESS DRILLING] Sharp twisted drill bits make drilling easier and more efficient than ever before. Color : Cobalt Type 1 ExternallyAssignedProductIdentifier : 7755859947817 IncludedComponents : 1 ItemName : Culnflun Extra Long High Speed Steel Straight Shank Twist Drill Bit Tool 2-5mm for Wood Sharp Twisted Drill Bit Easier Effortless Drilling ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 16 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : extra-long-drill-bits Manufacturer : Culnflun Material1 : Diamond-coated Material2 : cooling wax-infused emery ModelNumber : Culnflun5nc1od27pu NumberOfItems : 1 NumberOfPieces : 1 PartNumber : Culnflun5nc1od27pu ProductDescription : Specifications: Material: High-speed steel Type: Twist drill bit Diameter: 2mm, 3mm, 3.5mm, 4mm, 5mm Length: 150mm~160mm