Makita XT250 18V LXT Lithium-Ion Cordless Combo Kit, 2-Piece Variable 2-speed 1/2" Hammer Driver-Drill (0-400 & 0-1,500 RPM) delivers 480 in.lbs. of Max Torque Compact design at only 8-1/8" long and weighs only 4.0 lbs. (with battery) for reduced operator fatigue 6-1/2 in. Circular Saw delivers 3,700 RPM's 6-1/2" blade delivers a 2-1/4" cutting capacity at 90 degrees for a wide range of cutting applications 18V LXT Lithium-Ion battery provides longer run time, 5X lower self-discharge, and 16 firm holding contact terminals for constant high power 30-Minute Rapid Optimum Charger communicates with the battery's built-in chip throughout the charging process to optimize battery life by actively controlling current, voltage and temperature 30-Minute Rapid Optimum Charger has a built-in fan which cools the battery during the charging process for faster charge time 18V LXT Lithium-Ion Cordless 1/2"" Hammer Driver Drill (LXPH01Z) 18V LXT Lithium-Ion Cordless 6-1/2" Circular Saw (BSS611Z)