This is a 4.0 Tip Slotted Screwdriver 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. Carded packaging.

INCLUDES: One 4.0 Tip Slotted Screwdriver with Precision Handle.

SPECS: Length: 6-3/4" (17.1cm) Tip Size: 4.0 ir/kh  

BOX DIMENSIONS: 2.38" W. X .75" H. X 8.25" L. BOX WEIGHT: .08 LBS.