The Frag Out! Metal Paper Weight Grenade Motif Knuckle is an epic device you can use to keep the papers on your desk from blowing away. Whether you want to set a presedence, or clear a room, this Frag Out! Metal Paper Weight Grenade Motif Knuckle does the job. It is all metal construction except the grenade motif grip, which is a nylon fiber polymer. Super durable and useful in a pinch. Specifications Overall Width: 4.5 Inches Overall Length: 3 Inches Materials: Aluminum Alloy Finger Hole Size: 29mm by 24mm Oval Base or Grip: Fiber Nylon Polymer Cover, Grenade Motif Color: Urban Digital Camo