Extra long, they are hardened & tempered with a knurled grip. the drive pin sections are 90mm (3 1/2 inch) long & the diameters of the punches are slightly under the sizes listed. Length: 200mm / 8 inch
set of all sizes in case: (3mm / 1/8 inch, 5mm / 3/16 inch, 6mm / 1/4 inch, 8mm / 5/16 inch, 9.5mm / 3/8 inch).