Specification Brand : Gavigain BulletPoint : 1 Pc Carbide Bits D6-D14 Shank Diameter D4 D6 D8 D10 D12 D14 Internal Cooling Coated Drill CNC Metal Hole Drill BulletPoint1 : 【8 Sizes】This set includes 8 pieces drill bit in different sizes of the most popular drill bits. BulletPoint2 : 【High Hardness】Twist drill bits are made from high-speed steel for high hardn and durability. BulletPoint3 : 【 Drill】 twisted drill bits will make the drilling easier and more effortless. BulletPoint4 : 【Extra Long】Extra long cutting edges allows you using these bits to drill deep holes. BulletPoint5 : 【Application】They are great for most drilling jobs and soft materials such as aluminum, wood, plastics. Color : Defult ExternallyAssignedProductIdentifier : 9320944855469 FinishType : Silver ItemName : Drill Bit,8PCS Extra Long High Speed Steel Straight Shank Twist,Twist Drill,Drilling Tool for Aluminum, Wood, Plastics (4-10mm) ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : extra-long-drill-bits Manufacturer : Gavigain Material : High-speed steel Material1 : Tungsten Steel Material2 : Alloy Steel ModelNumber : CONROS NumberOfItems : 1 NumberOfPieces : 1 PartNumber : Gavigain8vmdqcpyfs ProductDescription : Features: Twist drill bits are made from high-speed steel for high hardn and durability. This set includes 8 pieces drill bit in different sizes of the most popular drill bits. Extra long cutting edges allows you using these bits to drill deep holes. They are great for most drilling jobs and soft materials such as aluminum, wood, plastics. Sharp twisted drill bits will make the drilling easier and more effortless.