Material: Head and ratchet axle: Chrome-vanadium steel, 2x nickel-plated, matt chrome-plated; screwdriver inserts: Chrome-vanadium steel base, chrome-silicon-manganese-molybdenum steel blades; inserts + other contents: Chrome-vanadium steel.
- Hardened and with flawless serration
- Several of the 52 teeth engage simultaneously and transmit an extremely high torque
- With release mechanism: release the insert tools at the touch of a button
- In sturdy, powder-coated steel case