Authentic Yoshida Tools Pneumatic Angle Grinder YA-2C Series Model: YA-2C-1 (Roll Type) & YA-2C-1F ( Safety Lever Type) Wheel Size: 50 x 4 x 9.5mm Thorttle Type: Roll & Safety Lever Rotational Frequency (min-1): 15,000 Max Air Consumption: 0.4 Air Hose Size: 9.5 Air Inlet: RC1/4 Lightweight & compact body for easy handling Endurable for long-term use due to strong gear system Suitable for deburring and finishing work Excellent rotation accuracy Made in Japan