Schrade SCPENBK 5.7in Black Aluminum Refillable Screw-Off Tactical Pen for Outdoor Survival, Protection and EDC DIMENSIONS: 5.7 inch (14.5 cm) overall length and a weight of 1.4 ounces DURABLE: Pen is made of reliable CNC Machined 6061 T6 Aluminum DEPENDABLE: Quick and easy access with the convenient pocket clip and screw-off 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 Schmidt P900 Parker Style Black Ball Point Cartridges