This is the THS Racing Metric Ratchet Hex Driver Set.

FEATURES: 1.5mm, 2mm, 2.5mm, and 3mm hardened steel hex bits Three position switch on handle for ratcheting action, clockwise, counterclockwise, and locked Contoured plastic fingertip grip

INCLUDES: One handle, four metric hex bits

SPECS: 2.5mm, 3mm Bit Length: 3.7" (93mm) 2mm Bit Length: 3.2" (81mm) 1.5mm Bit Length: 2.9" (75mm)  

BOX DIMENSIONS: 2.88" W. X 1.13" H. X 8.38" L. BOX WEIGHT: .30 LBS.