Megapro 151NAS-CS 15-In-1 Original NAS Driver, Blue/Yellow Our Original bit load driver is our most popular Loaded with 7 double end professional quality bits, this assortment provides the 14 most popular tips for driving screws The shaft opening serves as a 1/4" hex driver Alloy steel shaft Palm saver cap 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