A suppressor is a restricted device that attaches to a guns muzzle to suppress the sound of the gun being fired.  This baby is named suppressor for a reason and not just because it is intimidating.  The large finger holes allows for a firm grip to suppress a situation if need be just like a suppressor on a gun.  The construction of this piece is durable zinc aluminum with a rifle cartridge design.  At the top of each of the finger holes you will notice a bullet as well as the palm brace and the knuckle attachments. But the Bullet Knife Dark Suppressor Ammo Knuckle Cartridge is so much more than just a knuckle.  Included is a pin to use it as a novelty belt buckle and as if that wasnt enough in the cartridge is a knife. This knuckle is so versatile it will blow your mind. Specifications: Overall Length:  4.30 Inches Overall Width: 2.50 Inches Blade Length: 1.68 Inch Blade Material: Stainless Steel, Black Anodized Finish Blade Style: Drop Point Handle Material: Zinc Aluminum Finger Holes: 26.40mm x 23.74mm