This Gun Hammer SAO (spring assisted opening) knife was modeled after Darrel Ralph's custom design. The ergonomic tactical (ETAC) grip handle is 3D machined from aircraft grade aluminum with a copper finish. It is equipped with a premium S30V stainless steel trident blade with a gray finish. The blade is easily deployed using the flipper or thumb studs. The titanium lock tab is 0.09" thick for solid lockup. Comes with a padded black nylon pouch.