Home Depot offers the Klein Tools 4-Piece Outlet Switch Installation Kit, model no. M2O39549RV1, for $27.46 with free shipping. That's $4 under our March mention, $24 off list, and the lowest total price we could find. It features a non-contact voltage tester, GFCI receptacle tester, narrow-nosed wire stripper/cutter, and a 5-in-1 screwdriver/nut driver. Deal ends October 21.