For replacing the nails of rotary or halo. For complex areas where straight lines cannot be worked. Even when the impact wrench does not fit in, you can work at an angle at an angle. The smooth movement achieves a maximum swing angle of 40 degrees. You can work with the nail shaft in a neutral state. Socket Insertion Angle: 1/2 inch (12.7 mm) Socket Size: 0.9 inch (22 mm) Oscillating Angle: 40 degree Socket Size: 0.9 inch (22 mm) Product Size: Width 1.4 inch (35 mm) x Depth 1.4 inch (35 mm) x Height 260 mm (.3 kg)