THIS IS A SET OF 3 BRAND NEW VINTAGE GENERAL TOOL PILOT DRILLS #34A IS FOR WOOD SCREWS SIZE 5,6,AND 7, #34B IS FOR WOOD SCREWS SIZE 7,8,AND 9, #34C IS FOR WOOD SCREWS SIZE 9,10, AND 11. THE DRILL BITS ARE HIGH CARBON STEEL AND ALL ADJUSTABLE FOR DESIRED DEPTH. MADE IN THE USA-- NOT THE CHINA MART JUNK THEY MAKE NOW. IT COMES IN  THE ORIGINAL  PACKAGING FROM 40 YEARS AGO.