The DongCheng 500W Corded Impact Drill features a 500W high-quality motor with a maximum drilling diameter of 13mm. Two-speed options for precise control, guaranteeing more stable power transmission. Safety clutch and automatic protection effectively protect the motor and prevent burn-in. Equipped with a roller bracket, making it more convenient to move and use. Independently designed carbon brushes that can be replaced without disassembling the machine.