Our 14-in-1 Multi-Bit Screwdriver With SHOCKWAVE™ Driver Bits features easy access in handle storage which keeps bits organised and allows you to quickly change bit sizes and types to suit your needs. The bits are engineered to be the most durable, best fitting driver bits on the market. The Wear Guard tip delivers increased wear resistance which protects the impact bit's fit over the life of the bit. The Shock Zone is optimized to absorb peak torque and prevent breaking. The driver bits are made from Custom Alloy76 steel and a proprietary heat treatment process to extend bit life, providing up to 50X life versus other impact driver bits on the market. The removable SHOCKWAVE™ magnetic bit holder has a 6mm (1/4") hex shank, making it impact ready for maximum jobsite versatility and includes 13 SHOCKWAVE™ bits: Phillips: #1, #2, ECX™: #1, #2, Torx®: T10, T15, T20, T25, Slotted: 5mm (3/16"), 6mm(1/4"), Square: #1, #2, #3, Bit Holder: 6mm (1/4") . The screwdriver handle is backed by a limited lifetime warranty.