Mini Downcut Spiral Bits - Lee Valley Tools,Zircon SuperScan 1.5-in Scan Depth Metal and Wood Stud,Capri Tools 13 mm M13 Super-Stubby XZN Triple Square Impact,SANWA DENSHI OBSFS30 30mm SOLID COLOR SILENT Pushbutton,13MM11 Apex 6-Point 13mm Metric Standard Impact Socket, 1/4