The DeWalt DC550B 18v. Heavy Duty Cordless Cut-Out Tool  is the must have for drywall installations,the convenience of cutting your boxes and accessory holes with your board in place,with approximate measurements takes the precision out of hanging your drtwall,it also  Features: Tool-free bit change for fast and easy bit changing without a wrench. * 26,000 rpm motor provides more cutting power. * Dust sealed switch provides durability and long switch life. Specifications: * Voltage: 18V * No Load Speed: 26,000 rpm * Collet Diameter: 1/4, 1/8 * Adjustable Guide: YESIncludes: 1 general purpose bit * 1 drywall cutting bit * 1/4, 1/8 colletsYou will wonder how you ever did drywall without one,it is a major time saver

 The DEWALT DC515B Heavy-Duty 18-Volt Cordless 1/2 gallon Wet/Dry Portable Vacuum works well to clean up smaller messes,the perfect tool for cleaning up from a small project,   The DC515B Features: 2 1/2 extendable rubber hose with angled nose piece provides flexibility and durability in tight spaces * Large On/Off switch * Front utility nozzle for single-handed clean-up of larger messes * Heavy-duty latch enhances durability & allows for easy tank removal * HEPA wet/dry filter * 1/2 gallon tank thats easy to empty and clean Specifications: * Power: 18V DeWALT battery (Not included) * Tank capacity: 1/2 gallon * Hose diameter: 1 1/4 * Hose length: 2 1/2 Includes: * Bare vacuum w/ tank, HEPA filter & hose only this tool is easily transported around the site for cleaning off ledges and other areas where dust collects,vacuums drywall dust excellently with no dust in air as the hepa filter is great for filtering your drywall dust,it is another one of your specific job tools that is hard to work without it 

DeWALT DC925KA Heavy-Duty XRP 18-Volt Ni-Cad 1-2-Inch Hammerdrill-Drill-Driver Kit

DEWALT-built motor delivers 510 unit watts out of power; high-capacity XRP battery offer 40% more run-time than standard batteries
Patented 3-speed, all-metal transmission offers three drilling speeds (0-450 rpm, 0-1,500 rpm, 0-2,000 rpm) and 3 hammer-blow speeds (0-7,650 bpm, 0-25,500 bpm, 0-34,000 bpm)
22 clutch settings; heavy-duty self-tightening chuck helps prevent bit slippage and provides better torque at the bit
Includes 2 18-volt XRP batteries, 360-degree side handle, kit box
Drill/driver weighs only 6.1 pounds; 3-year limited warranty 
 
The DeWalt DC925KA Heavy Duty 18-volt XRP Hammerdrill/Drill/Driver comes with a high efficiency motor that delivers 510 unit watts for superior performance in all drilling and fastening applications. Features include a patented 3-speed all-metal transmission that matches the speed to the application for optimal performance and a heavy-duty 1/2-inch self-tightening chuck that tightens throughout an operation to provide superior bit gripping torque. Other features include superior ergonomics for optimized balance, size, and weight, and an XRP 18-volt extended run-time battery for long run-time and battery life. Backed by a 3-year manufacturer's warranty, this hammerdrill/drill/driver comes with a one-hour charger, two 18-volt XRP batteries a 360-degree side handle, and a heavy-duty kit box.