Megapro 141HVAC-U 14-In-1 HVAC Driver, Blue Patented pullout bit cartridge makes it easy to find, change and store bits Handle is made from engineered nylon/ABS resin, Triax 1120 Shaft opening serves as a 1/4-Inch hex driver Alloy steel shaft Palm saver cap keeps you from getting blisters on your hand Made in the USA