This is the Piranha Body Guard Automatic Knife has a black ribbed aircraft aluminum hardcoat anodized 6061-T6 handle with a stonewash serrated CPM-S30V stainless steel bayonet shaped blade. The BodyGuard is overall open length 7.70 inches with a 3.30 inch flat grind blade (hardness 60-61RC) that weighs in at 2.83 ounces. The handle is 4.40 inches and .046 inches thick. It's a plunge lock and great for every day carry and comes with a removable tip-up pocket clip. Made in the USA.