The MEGAPRO 14-in-1 automotive screwdriver features Torx bit loads. This is a great addition to any automotive toolbox, its like a full Torx screwdriver set rolled into one screwdriver. This drive is a must for the professional mechanic or anyone who works on their car or truck. The valve stem bit is also a standard bit-type in the HVAC industry. In addition to including a 1/4a ^2 socket adapter, the shaft opening serves as a 1/4a ^2 hex driver. Loaded with 8 Torx bits, 2 Phillips bits, and 2 Flat Valve Stems, this assortment of bit types and sizes provides the most suitable tips for your automotive needs! Specifications: Weight: .5 lbs Driver Features: EZ Guide Collar, Palm Saver Cap, Retractable Bit Cartridge Screwdriver Bits: Phillips, 1/4a ^2 Hex Shaft, Flat, Torx, Square Warranty: Lifetime Warranty Made in: USA