This locking friction folder has a fully serrated wharncliffe style blade ground from Nicholson file. Bloodwood handles cover red liners and wood backspacer. Blade pivot and locking bar are stainless steel and screws, pins and washers are brass. For the locking mechanism, when the blade is fully deployed, manually push the locking bar forward into the "C" shape cutout on the extended tang. Knife is new from maker. Comes with kydex neck sheath.