DescriptionMade of premium cemented carbide material, which features high hardness and strong abrasion, the hole cutter are widely used for metal process, like aluminium alloy, stainless steel board. It& 39;s easy to use and have long service life. Included 10 different kind of cutter, let you use it more freely. Perfect and practical tool for metal hole cut use.Features- Color: Silver._x005f_x000D_- Material: Cemented Carbide._x005f_x000D_- Size: Approx. 5.3 x 5.3 x 5.3 cm._x005f_x000D_- Made of high qualityCemented Carbide material for durable and practical use._x005f_x000D_- can easily cut metal out. Useful and helpful. Let you do the metal cut work more easily._x005f_x000D_- Included 10 different size drill bits:16/18/19/22/25/30/35/42/50/53MM, let you use it more easily and freely._x005f_x000D_- Professional designed for various metal cutting work use, can be use for steel, aluminium alloy, Iron material plate process use._x005f_x000D_- Widely used in industrial and professional metal process field._x005f_x000D_-Warm Tip: Dear buyer, Due to lighting effect, monitor& 39;s brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand Thank you Packing List:10 x Driller