531 opens and closes but rubs against plastic on the knife's frame (see picture). Other knives are in good condition. The item "Benchmade 940, 300, 531, 556 (serrated) olive knife lot" is in sale since Tuesday, May 17, 2016.This item is in the category "Sporting Goods\Hunting\Knives & Tools\Folding Blade". The seller is "heroman8000" and is located in Macon, Georgia. This item can be shipped to United States.