Package Including: 5 pcs drill bitOffer the best heat resistance and good performance for drilling.Good toughness, wear resistance, high drilling capacity.ertical to prevent the drill from bending or breaking.Suitable for wood processingSpecification:Drilling equipment: HSSBlade material: tungsten steelColor: silver + orangeSize: 2.8x8mm / 3.0x8mm / 3.2x8mm / 3.5x8mm / 4x8mmRod type: round stemDiameter of stem: 8mm(Note: Please allow 1 to 3mm error due to manual measurement and slight color difference caused by light and screen.)Package Included:5 pcs drill bit< /p> Note: The data is manual measurement, please allow 1-81cm error, due to differences between light and screen, there will be a certain color difference, the specific received in kind shall prevail.