A tough pen made for tough jobs. Designed for use in the oil field industry, it is the perfect go-to pen in the harshest conditions; from freezing cold to scorching heat (-30°F to +250°F), at any angle including upside down, through grease, underwater, and for three times longer than an average ballpoint pen. Its hefty hexagonal finger grip design ensures that you will maintain a solid grasp on the pen even when wearing thick gloves, and its composition of black anodized aluminum provides both a sturdy & light-weight feel in hand. With its strong pocket clip, you can rest assured that the Clutch will always be there when you need it. Style: Rear Button Activation Composition: Anodized Aluminum Packaging: Black Shuttle Gift Box w/ Textured Diamond Plate Pattern Pen Length: 5.40’’ Pen Width: 0.52’’ Pen Weight: 1.1 oz. Cartridge: Pressurized PR4, Black Ink, Medium Point