Megapro 141AUTO 14-In-1 Automotive Driver, Black/Red Loaded with the most popular bits used in automotive work Including a 1/4" socket adapter This driver is a must for the professional mechanic or anyone who works on their car or truck 5.5 Valve stem The shaft opening serves as a 1/4" hex driver 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