This is a .050" Hex Driver with Precision Handle from Wiha.

FEATURES: Tapered handle allows rapid rotation. Rotating cap for precise turning and control with fingertip. High alloy chrome-vanadium-molybdenum-steel blade. Molded on ergonomic handle. Exact fit precision tip. Professional quality.

INCLUDES: One .050" Hex Driver with Precision Handle.

SPECS: Length: 4-3/4" (12.1cm) Tip Size: .050" ir/kh  

BOX DIMENSIONS: .50" W. X .50" H. X 4.75" L. BOX WEIGHT: .02 LBS.