Screwdriver Bit Set Wiha 284T 11 pc(s)

The Wiha 284T 11-piece screwdriver bit set contains high-quality bits and a System 6 SoftFinish® telescopic handle designed for adjustable blade length and comfortable operation. The set includes metric hex and nut driver sizes from 4 to 11 mm and offers a 150 mm working length for better reach. Bits are made of chrome-vanadium molybdenum steel, through-hardened and titanium silver coated, with stamped size markings. The compact roll-up pouch provides space-saving storage and easy transport.

Advantages

Adjustable blade length from 42 to 114 mm allows adapting reach to the task. The locking/unlocking button is easy to operate for fast bit changes. The patented SoftFinish® handle reduces strain on hands and muscles and is recommended by health professionals for ergonomic use. The System 6 concept enables comprehensive, interchangeable blades to increase work efficiency. Durable steel construction of the bits ensures precision and long service life.

Suitable for

• Assembly and disassembly of hex fasteners (4–11 mm)
• Maintenance and repair tasks requiring 150 mm reach
• Professional electrical and mechanical work where durable bits are needed
• DIY projects and general household repairs

Key specifications

• Brand: wiha
• Model/MPN: 27713
• EAN: 4010995277130
• Set contents: 11 pieces (metric hex and nut driver bits)
• Bit material: chrome-vanadium molybdenum steel, through-hardened, titanium silver coating
• Adjustable blade length: 42–114 mm
• Working length: 150 mm
• Weight (total): 669 g
• Handle: SYSTEM 6 SoftFinish® telescopic handle with ClickStop ball clamp
• Storage: roll-up pouch

How to use

Extend or retract the telescopic handle to set the blade length between 42 and 114 mm, then insert the required bit into the handle’s quick-change chuck and secure it using the ClickStop ball clamp. Use the locking/unlocking button to change bits safely. Select the correct bit size for the nut or hex fastener and apply steady torque suitable for the fastener and material. After use, retract the handle if needed and store bits and handle in the roll-up pouch.

Usage recommendations

For safe, ergonomic operation, choose a bit that matches the fastener size exactly to avoid cam-out. Keep bits clean and inspect them for wear; replace damaged bits to maintain precision. Follow torque specifications for fasteners when working on sensitive components.