Specification Brand : Mavaol BulletPoint1 : Precise & Efficient Drilling – With -engraved size markings, this step drill bit ensures accurate hole sizes every time, making it Suitable for DIY projects or professional tasks on various materials. BulletPoint2 : Sturdy Bearing Steel Construction – Crafted from high-quality bearing steel, this drill bit offers superior wear , anti-rusts properties, and long-lasting durability, even when tackling tough metals like stainless steel. BulletPoint3 : Faster Deburring & Clean Holes – Featuring a split-point tip and - design, this drill bit quickly removes debris, ensuring smooth, clean holes with less mess and faster results on plastic, aluminum, and metals. BulletPoint4 : Versatile & Multi-Functional – Ideal for drilling on various materials, including metal plates, plastic, aluminum, copper, and more, this bit is Suitable for home maintenance, light work, and even fire extinguishing steel plates. BulletPoint5 : User-Friendly Design – The tool's angle handle prevents slippage and provides a secure grip, while the stepped cone structure simplifies hole creation, making it the go-to tool for both beginners and experts. Color : 4-20 ExternallyAssignedProductIdentifier : 7635732430493 ItemName : Mavaol Step Drill Bit Set, Bearing Steel Construction, Precise and Efficient Drilling, Clean Holes and Deburring, for DIY and Professional Use on Metal, Plastic, Aluminum ItemPackageDimensions_Height : 7 centimeters ItemPackageDimensions_Length : 11 centimeters ItemPackageDimensions_Width : 7 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : step-drill-bits Manufacturer : Mavaol ModelNumber : Mavaolr0f6hgztn3 NumberOfItems : 1 NumberOfPieces : 1 PartNumber : Mavaolr0f6hgztn3 ProductDescription :