Features: Metal Bearing Type: The adapter has a metal double-bearing wheel built in which is durable and wear-resistant.No tools are needed to install the chuck quickly and it is convenient to install without dropping. Universal Saw: Universal for cutting branches/match with wood saw blade metal/matching metal saw blade wood/matching curve cutting PVC/match with wood saw blade. Triangular Transmission: The triangular transmission shaft of the high hardness electric drill is designed to hold stably. Stable Transmission: Precision transmission system stable operation more powerful and durable. Wide applicable to battery electric drill impact drill and electric hand drill. Safety Design: Wider protective baffle is safer. The saw blade runs back and forth to achieve efficient cutting. Specifications: Rated Voltage Range: AC single-phase and DC 50V and above 250V and below Standard Accessories: Saw blade Power Supply Voltage: 220V Power Line Length: 1m Scope of Application: Wood metal plastic Power Supply Type: AC power supply includes: 1 * Adapter