Schrade SCPEN9BK 5in Aluminum Refillable Push Button Tactical Pen for Outdoor Survival, Protection and EDC DIMENSIONS: 5 inch (12.8 cm) overall length and a weight of 1.6 ounces DURABLE: Pen is made of reliable CNC Machined 6061 T6 Aluminum DEPENDABLE: Quick and easy access with the convenient pocket clip and push button top making it ideal for everyday carry SECURE: Have confidence that this tool will perform when needed and blend in when not in use BE PREPARED: Pen can be refilled with Easyflow Schmidt P900M Parker Style Black Ball Point Cartridges