Feature:1. [WIDE APPLICATION] Handheld right angle air die grinder, commonly used for grinding, transplanting, polishing, deburring, welding, etc.2. [WITH FITTING HOLE] There is a lubricating oil fitting hole on the top, convenient for feeding lubricating oil and prolonging the life of the gear.3. [EXCELLENT FILTER] The grinder air inlet is equipped with filter to prevent foreign matter from entering the movement and causing damage.4. [FLEXIBLE CONTROL] One button type forward and reverse switch design, flexible and convenient in operation, greatly improve work efficiency.5. [COMFORTABLE GRIP] Aluminum alloy grip provides greater comfort and control, and ergonomic design provides high torsion accuracy for safe operation.Specification:Item Type: Air Angle Die GrinderMaterial: Aluminum Alloy + High Carbon SteelApplication: Used for grinding, transplanting, polishing, deburring, etc.Model: BC-4123No Load Speed: 20000rpmChuck Size: Approx. 3mm / 0.12in, 6mm / 0.24inAir Pressure: 90PSIAir Consumption: 4CFMInterface Size: 3/8in Package List:1 x 90° Angle Grinder1 x Chuck2 x Wrench1 x Pneumatic Interface1 x User ManualNote:Please wear protective goggles when using pneumatic tools to avoid eye damage caused by the powder produced by using pneumatic tools. It is forbidden to disassemble the internal parts of the pneumatic tool without special tools.