The Makita 18-Volt LXT Lithium-Ion Cordless 1/2 in. Driver-Drill delivers more torque, more efficient speed and more work to the jobsite. The BDF451 has a variable 3-speed all-metal transmission for a range of drilling and driving applications, with plenty of torque for heavy duty tasks. The BDF451 features a Makita-built 4-pole motor that delivers 560 in. lbs. of Max Torque in a compact size. The BDF451 has a 3-speed all-metal transmission that delivers 0-300 RPM in low speed, 0-600 RPM in mid-speed and 0-1,700 RPM in high, covering a wide range of drilling and driving applications.