BALL PEN HAMMER 680 G - YT-4521

YATO YT-4521 is a 680 g (24 oz) heavy ball pen / sheet‑metal hammer with a large polished steel head and a hickory wooden handle, intended for the most demanding panel beating and forming work in the series.

Main specifications

• Brand / Symbol: YATO, YT‑4521.

• Head weight: 680 g (about 24 oz / 1.5 lb).

• Overall length: 360 mm.

• Head dimensions (working part): approx. 115 mm long x 36 mm thick.

• Head material: Carbon/steel head with polished/sleek faces.

• Handle material: Hickory wood, ergonomic wooden grip for strength and impact absorption.

Application and features

• Intended use: Heavy sheet‑metal and panel beating operations, strong body repair work, and metal forming where high impact energy is required.

• Design: Flat striking face plus rounded pen for intensive shaping, stretching, and dressing of thicker or harder metal sections.

• Benefits: The 680 g head and 360 mm handle deliver powerful blows while remaining well balanced, making it suitable for professional automotive, fabrication, and industrial maintenance environments.