Features & Benefits : 900w powerful motor with high working efficiency, designed for demanding tasks.spiral bevel gears provides less vibration, lower noise level and longer life span.Soft start ensures a slow speed build-up to avoid damaging the material.Anti-slip grooves design provide better control and maximum safety.STGS9100 Product Specifications : Power input: 900 WattNo Load Speed: 11000 rpmMax. Disc Diameter: 100 mmSpindle Thread: M10Weight: 1.8 kg