The Makita BFR750 Cordless Autofeed Screwdriver feature a more reliable casing attachment with the following benefits: rigid aluminum casing. Stopper base with anti-tilt device for preventing screws from swaying. Rubber cap securely fixed to stopper base. Dust-proof construction for smooth sliding action. The anti-tilt device prevents screws from swaying and it has a dust-proof construction for improved tool life. The foldable screw guide keeps the screw strip tangle free. It is fitted with a silent clutch and forward/reverse rotation. Supplied with: 2 x 18V 3.0Ah Li-Ion Batteries, 1 x Phillips Bit, 2 x Square Head Bits, 1 x Fast Charger and 1 x Carry Case. Specifications: No Load Speed: 4,000/min. Screw Size Range: 45-75mm. Drywall Screw: 75mm. Charging Time: 22 min. Weight: 2.1kg. All vibration figures quoted are Tri-axial to EN60745 2006. Vibration K Factor: 1.5 m/sec². Vibration No Load: 2.5 m/sec². Noise Sound Pressure: 76 dB(A). Noise K Factor: 3 dB(A).