This is the Zona Mini Riveting Hammer.

FEATURES: Small size head is perfect for delicate work Fits easily into small spaces Wood handle with steel black hammer head

INCLUDES: One mini riveting hammer

SPECS: Length: 8.46" (215mm) Hammer face diameter: .35" (9mm)  

BOX DIMENSIONS: 2.25" W. X .38" H. X 10.38" L. BOX WEIGHT: .08 LBS.