Black & Decker GCO12SFB 12-Volt Cordless Drill Driver & Stud Finder for $39.95 shipped.  Here is a screenshot for your reference.  Alternatively, it is available at Home Depot for $41.16 with free shipping on orders over $45. The drill driver features a 24-position clutch, keyless chuck, variable speed with reverse, on-board magnetic bit holder, and includes a stud finder, [...]