Diameter: 3/8"Overall Length: 4-3/4"Material: Drop Forged Carbon SteelFully Polished Barrel And Black Enamel HandleInside Taper Permits The Punchings To Clear Easily Through The BarrelDesigned To Make Round Holes In Soft Material Including Leather, Rubber, Canvas, As Well As Soft Metals Such As Brass, Copper And Lead