Klein Tools' Interchangeable Multi-Bit Screwdrivers / Nut Drivers are heavy-duty tools designed for professionals. They are made of the highest-quality tempered steel with a torque-proof anchor in the handle. Strong, durable tips are manufactured with square edges to fit screw openings securely. They resist slippage and provide positive turning action. Stronger nut driver function improves bit-holding power, even with tough applications.

• Multi-bit screwdriver with innovative driver shaft holds screwdriver tips and converts to nut driver sizes
• Compact design features standard 1-1/4-Inch (32 mm) shaft for access to confined spaces
• Cushion-Grip handle provides greater torque and comfort
• Contains: #1 Square Recess, #2 Square Recess, 3/16-Inch (5 mm) slotted, #2 Phillips, 1/4-Inch (6 mm) and 5/16-Inch (8 mm) nut drivers
• U.S. Patent No. D684,836