Unique, patented head slides back and forth to switch from 1/4 inch to 5/16 inch magnetic hex-head screwdriver. Convenient thumb nut locks tip setting. This HVAC multi-bit driver includes a specialty bit for the installation/removal of common TR-4 Schrader® valves as well as regular 1/4 inch and 3/8 inch nut drivers plus Phillips/slotted double-ended bits. Learn more at
Runtime
0:59