Klein Tools 80065 Schrader Driver Kit with Multi-Bit 11-in-1 Screwdriver / Nut Driver and 2-in-1 Nut Driver, Hex Head Slide Drive, 2-Piece

11-in-1 SCREWDRIVER AND NUT DRIVER was designed for the HVAC professional, UNIQUE STYLE BIT installs or removes common TR-4 Schrader valves and aggressive thread extractor tip for backing out broken cores, MUTI-BITS include 3/16-, 1/4-Inch slotted; #1, #2 Phillips; #1, #2 square; 1/4-, 5/16-, 3/8-Inch Nut driver; core removal / extractor, BLAST FINISH BITS for a firm hold and reduce cam out, PATENTED TIP switches from a 1/4-Inch to a 5/16-Inch driver, TIP LOCK SETTING locks the tip by simply twisting the thumb nut, MAGNET IN HEX keeps screw in place regardless of which driver is selected