Ergonomic paddle switch featured. ·Natural fit slim body to left and right hand for easy handling. ·Ergonomically designed paddle lever gives comfort to the fingers. ·Lock-off button built in the center of paddle lever. Specifications: Continuous rating Input: 840W Wheel diameter: 100mm (4") No load speed (rpm): 11,000 Net Weight: 2.0kg (4.3lbs)