Specification Brand : Marhynchus BulletPoint1 : Made of high speed steel, have high performance and durability, and with Ti coating, possess high hardness and stable performance, can penetrate metal, hardwood and plastic BulletPoint2 : Twist drill bits are suitable for cast iron, copper, aluminum, plastic and wood, very powerful BulletPoint3 : The product is a good choice for automobile spring steel, steel drilling, DIY, household and general construction, engineering BulletPoint4 : Possess extremely high hardness, excellent processing performance in drilling processing, twisted design is easy to self center, and can prevent walking. All drills have a smooth and no burrs BulletPoint5 : 120Pcs drill bit set contain 6 different length sizes of 30MM, 40MM, 45MM, 55MM, 65MM, 70MM, enough quantitative drill bits can meet your needs for regular replacement Color : One Color ExternallyAssignedProductIdentifier : 9322358566962 ItemName : HSS Twist Drill Bits, Twist Drill Bit Set-120Pcs High Speed Steel Impact Drill Bits for Wood Plastic Aluminum, Commercial Food Service Equipment ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 4 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : long-length-drill-bits Manufacturer : Marhynchus ModelName : Marhynchusqgo1mvi0nf ModelNumber : Marhynchusqgo1mvi0nf NumberOfItems : 1 NumberOfPieces : 1 PartNumber : Marhynchusqgo1mvi0nf ProductDescription : Specification: Item Type: Twist Drill Bits Specification: Approx. 1 x 30mm / 0.04 x 1.18in(20pcs) 1.5 x 40mm / 0.06 x 1.57in(20pcs) 2 x 45mm / 0.08 x 1.77in(20pcs) 2.5 x 55mm / 0.1 x 2.17in(20pcs) 3 x 65mm / 0.12 x 2.56in(20pcs) 3.5 x 70mm / 0.14 x 2.76in(20pcs)