Handmade Damascus Steel (Liner Lock) Folding, Pocket Knife (PT-1826 TO 1861) This 8 inch folding knife (4.5 inch closed length) has a 3.5 inch blade that carries a brass thumb stud.. Blade of this beautiful folding knife is made by using hand forged damascus steel. The knife features liner-lock mechanism and therefore there is no chance of it closing accidentally. Handle is made by using hard wood. Bolsters are made by using hand forged damascus. This knife comes with a genuine cow hide leather sheath.