Thin "pin" knife. Named for its narrow size. Double blade with stabilized boulder turquoise & wood inlay. Measuring 3"-1/4 x 3/8". This the perfect knife for the person who has everything! 440 Carbon steel– This has a carbon content range between. 95-1.20%. This is considered a higher end stainless steel. This alloy is one of the most common in knives. It is wear resistant, and it is a hard steel