1、Made of quality metal and plastics material, wear resistance and can provide long service time. 2、Adopts brushless motor which does not generate sparks when it is working, and the motor does not wear, can provides long service time. 3、Comes with 2 working heads, electric drill and angle grinder heads, easy installation and easy disassembly, you can change according to your demands easily. 4、One-key quick lock system, quick replacement of working heads, realizing multi-purpose functions of one machine, integrating multi-function operations such as drilling, grinding, cutting, etc. 5、One button to switch forward and reverse rotation, it has automatic stop of electric drill under reverse rotation, as angle grinder this function is not included. 6、Equipped with LED working light, high illuminate, convenient for use in the dim light environment and even at night. 7、The body has human engineering handle design, one-hand operation, convenient press switch for easy grasping and use. 8、There are vent holes on the housing, high heat dissipation for cooling the operating mechanism from overheating. 9、Comes with thickened guard for reduces workpiece debris splashing into the machine, makes the cutting or grinding process as angle grinder more safer. 10、Widely applications, suitable for home improvement and professional home decoration, such as such as ceiling installation, wood table installation, kitchen cabinets installation, surface conditioning, grinding or cutting. This set of working tool is made of quality metal and plastics material, wear resistance and can provide long service time. Comes with 2 working heads, electric drill and angle grinder heads, easy installation and easy disassembly, you can change according to your demands easily. One-key quick lock system, quick replacement of working heads, realizing multi-purpose functions of one machine, integrating multi-function operations such as drilling, grinding, cutting, etc. Widely applications, suitable for home improvement and professional home decoration, such as such as ceiling installation, wood table installation, kitchen cabinets installation, surface conditioning, grinding or cutting. Features: Made of quality metal and plastics material, wear resistance and can provide long service time. Adopts brushless motor which does not generate sparks when it is working, and the motor does not wear, can provides long service time. Comes with 2 working heads, electric drill and angle grinder heads, easy installation and easy disassembly, you can change according to your demands easily. One-key quick lock system, quick replacement of working heads, realizing multi-purpose functions of one machine, integrating multi-function operations such as drilling, grinding, cutting, etc. One button to switch forward and reverse rotation, it has automatic stop of electric drill under reverse rotation, as angle grinder this function is not included. Equipped with LED working light, high illuminate, convenient for use in the dim light environment and even at night. The body has human engineering handle design, one-hand operation, convenient press switch for easy grasping and use. There are vent holes on the housing, high heat dissipation for cooling the operating mechanism from overheating. Comes with thickened guard for reduces workpiece debris splashing into the machine, makes the cutting or grinding process as angle grinder more safer. Widely applications, suitable for home improvement and professional home decoration, such as such as ceiling installation, wood table installation, kitchen cabinets installation, surface conditioning, grinding or cutting. Specifications: Name: Woodworking Tool Set Material: metal+plastics Battery: 1 * 21V, 3000mAh lithium battery (included, there are 10pcs 3.7V 3000mAh battery inside if you detach one) Rotation speed: 0-380rpm/m stepless adjustable Item size: After installing with electric drill adapter: 260 * 180 * 80mm / 10.24 * 7.09 * 3.15in After installing with angle grinder adapter: 290 * 180 * 80mm / 11.42 * 7.09 * 3.15in Item weight: After installing with electric drill adapter: 1680g / 3.70lb After installing with angle grinder adapter: 1640g / 3.62lb Package size: 340 * 95 * 240mm / 13.39 * 3.74 * 9.45in Package weight: 2646g / 5.83lb Packing List: 1 * Electric Drill Adapter 1 * Angle Grinder Adapter 1 * Main Machine 1 * Battery 1 * Battery Adaptor 1 * Guard Plate 1 * Screw 1 * Wrench 1 * Use Manual 1 * Electric Drill Adapter 1 * Angle Grinder Adapter 1 * Main Machine 1 * Battery 1 * Battery Adaptor 1 * Guard Plate 1 * Screw 1 * Wrench 1 * Use Manual