Specification Brand : Generic BulletPoint1 : Designed with shank, you can use the wrench to tighten the screw and have stable and safe operation. BulletPoint2 : Made of premium alloy steel, not easy to deform, also small in size, light in weight, and very convenient to carry. BulletPoint3 : Having been through heat treatment, the cutting head is sharper and longer lasting, promising higher efficiency. BulletPoint4 : Allows for flexible application in various materials, such as iron plate, steel plate, and many other metal material. BulletPoint5 : The drilling hole diameter is 19.5mm, and the working depth can get to 28mm, which ensures cutting accuracy. ItemName : Holes Drilling Cutter, Hole Saw Portable for Working ItemPackageDimensions_Height : 6 centimeters ItemPackageDimensions_Length : 12 centimeters ItemPackageDimensions_Width : 6 centimeters ItemTypeKeyword : hole-saws Manufacturer : Generic ModelName : Generic9utr0o7k3z ModelNumber : Generic9utr0o7k3z PartNumber : Generic9utr0o7k3z ProductDescription : 1. Having been through heat treatment, the cutting head is sharper and longer lasting, promising higher efficiency. 2. The drilling hole diameter is 19.5mm, and the working depth can get to 28mm, which ensures cutting accuracy. 3. Designed with shank, you can use the wrench to tighten the screw and have stable and safe operation. 4. Allows for flexible application in various materials, such as iron plate, steel plate, and many other metal material. 5. Made of premium alloy steel, not easy to deform, also small in size, light in weight, and very convenient to carry.