Astro 1600 16-Piece Punch and Chisel Set Taper Punch: 3/32-inchby5-1/4-inch, 1/8-inchby5-3/4-inch, 5/32-inchby6-inch, 3/16-inchby6-1/4-inch, 1/4-inchby6-3/4-inch Cold Chisels: 3/8-inch by 5-1/2-inch, 1/2-inch by 6-inch, 5/8-inch by 6-1/2-inch Pin Punch: 3/32-inch by 4-1/4-inch, 1/8-inch by 4-3/4-inch, 5/32-inch by 5-inch, 3/16-inch by 5-1/4-inch, 1/4-inch by 5-3/4-inch Center Punch: 1/8-inch by 5-inch, 3/16-inch by 6-inch Product material: CR-V and hardness: 54~58HRC