Osho Magnum 21mm Hammer,

Head length: 110mm Caliber: 24φ Size:21mm This human-designed hammer features a fiberglass handle that is three times stronger than a wooden handle, and the more you use it, the more you'll appreciate its quality. The special aluminum wedge and special epoxy adhesive provide a pull strength of approximately 1.5 tons. Measurements are possible with markings in inches and centimeters engraved on both sides of the grip. It comes with a protector to protect the fiberglass handle. Design registration pending. Product size: Length: 330mm, Width: 106mm, Height: 23mm. Product weight: 376g. Package size: Length: 340mm, Width: 106mm, Height: 24mm. Package weight: 376g. Country of origin: Japan. Use: Nail driving and nail tightening. Size: 21mm. Total length: 330mm. Head length: 110mm. Weight: 376g. Diameter: 24φ. Handle: Fiberglass. Finish: Silver.