The Makita BO3711 1/3 Sheet Orbital Sander with electronic speed control, electronic ignition and a powerful motor for a fine finish. It has an ergonomic tool body which fits the user's hand perfectly, providing sure grip and easy handling, whether in a single or double handed operation. The built-in dust collection system keeps the work environment clean and free from debris. Supplied with: 1 x Punch Plate and 1 x Dust Bag. Specifications: Input Power: 190W. No Load Speed: 4,000 - 11,000/min. Strokes Per Minute: 8,000 - 22,000/spm. Pad Size: 92 x 185mm. Abrasive Paper Size: 93 x 228mm. Weight: 1.6kg. All vibration figures quoted are Tri-axial to EN60745 2006. Vibration Sanding: 3.5 m/sec². Vibration K Factor: 1.5 m/sec². Noise Sound Pressure: 72 dB(A). Noise K factor: 3 dB(A).