The TEKTON 6-in-1 Screwdriver and 4-in-1 Pocket Screwdriver are great to have around the house for everyday projects. Bits are constructed from precision-machined, sandblasted chrome vanadium steel, and the bit holder shaft is made from carbon steel with a corrosion-resistant, chrome plated finish. A spring-loaded ball bearing securely locks bits and shaft in place. An oversized, non-slip soft grip handle provides a comfortable, sure grip. The 4-in-1 screwdriver features a pen-style design with pocket clip, and it is constructed from a durable and lightweight polymer. The screwdrivers are backed by a lifetime replacement guarantee. Set Includes: 6-in-1 Chrome Vanadium with Sandblasted Finish Screwdriver Bits: Flat: 3/16-Inch and 1/4-Inch, Phillips: No.1 and No.2, Nut Drivers: 1/4-Inch and 5/16-Inch, 4-in-1 Pocket Screwdriver Bits: Flat: 3mm and 4mm, Phillips: No.0 and No.1.