Product Features 3.1 oz. heavy duty lightweight frame 5.5" Overall Length 2" Blade Length Product Description A heavy Duty lightweight 3.1oz OTF automatic knife for everyday use. This Knife is 5.5 inches long with a 2 Inch 3mm think stainless steel blade, and 3.5 inch brilliant handle. The slender handle is built on steel plates, and lightweight metal overlay. The knife comes with adjustable length chain for easy connection to any key ring!