Features 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. 6、[HIGH EFFICIENCY] The no load speed of the grinder is 20000rpm, with low air consumption, is often used for operation in narrow areas. Specification Item Type: Air Angle Die Grinder Material: Aluminum Alloy + High Carbon Steel Application: Used for grinding, transplanting, polishing, deburring, etc. Model: BC-4123 No Load Speed: 20000rpm Chuck Size: Approx. 3mm / 0.12in, 6mm / 0.24in Air Pressure: 90PSI Air Consumption: 4CFM Interface Size: 3/8in Package List 1 x 90° Angle Grinder 1 x Chuck 2 x Wrench 1 x Pneumatic Interface 1 x User Manual