Our 27-in-1 Ratcheting Security Multi-Bit Screwdriver is the most versatile multi-bit screwdriver. This tamper proof multi-bit driver features easy-access in-handle storage, which keeps bits organized and allows you to quickly change bit sizes and types. The durable, all-metal ratchet provides higher torque and faster driving. The removable bit holder has a 1/4" hex shank, making it power tool ready for maximum jobsite versatility. The chrome-plated bit holder provides rust protection and reduces wear from elements on the jobsite. The Milwaukee 27-in-1 Ratcheting Security Multi-Bit Screwdriver is backed by Milwaukees Limited Lifetime Warranty.