TFCFL 115pcs 4241 Steel Drill Bit Set Electric Drill Mount Drilling Tool with Storage Box

Notes 1. Please note that this product is not suitable for use on brick walls, cement, marble, concrete and stone. 2. Please note that this product does not include an electric drill. 3. It is recommended to keep the drill bit vertical to greatly extend the working life 4. Please allow the slight color difference caused by the shooting light and 1-3cm error due to manual measurement, and make sure you do not mind before ordering.