Description:The double-head rotary type makes it possible to separate the spot welded plates more effectively. High quality and exquisite workmanship make it have high hardness and wear resistance.Simple and convenient operation will not waste your time and energy. The wide range of applications makes it very practical and useful.Made of high speed steel material, it is very durable to use.The length of the spot welding drill is 7.7cm. The length of the drill nail is 3.2cm and the length of the drill cap is 1.5cm.It is very suitable for thin stainless steel plates, iron plates and other metal plates with sharp double-sided blades.Item Name: Spot Welding DrillMaterial: High Speed SteelFeatures: Easy to Use, Practical, Electric Drilling ToolsSize Details: Spot Welding Drill Length: 7.7cm/3.03" (Approx.)Drill Nail Length: 3.2cm/1.26" (Approx.)Drill Cap Length: 1.5cm/0.59" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Spot Welding Drill2 x Drill Nails10 x Drill Caps1 x Wrench