13mm self-clamping mandrel, high quality. Variable speed allows better control and is essential for use as an electric screwdriver. Auxiliary handle for more control. Keyless chuck. Mandrel size : 13 mm. Percussion: 47600 strokes / min maximum torque 20.5 Nm. Maximum Capacity Wood 20 mm. Maximum Capacity – Steel 13 mm. Maximum Capacity – Masonry 13 mm. Reversibility: Yes. Variable speed. Vacuum speed: 0-2800 rpm. Tree block. Cable length : 3 m Case : No. Equipment: side handle with depth stop.