Wera 05074711001 Kraftform 7446 Hexagon Torque Screwdriver, 1/4" Head, 11.0-29.0"/lbs Variable Torque Adjustment Range Features Wera quick-release chuck with single-hand technology, 1/4" bit Wera's experience of narrow tolerance manufacturing techniques and careful material selection helps deliver maximum safety at work Easy torque adjustment without special tools Multi-component Kraftform handle fits the shape to the hand erasing the physical stresses of screwdriving Limited Lifetime Warranty, German Engineered