The Rite in the Rain All-Weather Orange Metal Bullet Pen is compact when you need it to be but still offers the comfortable writing experience of a full-size pen. When closed, the pen fits easily into your pocket, small pack, or even your wallet. The pressurized ink writes in temperatures from -30F to 250F, under water (up to 35 ft), and any angle. 5.25" long barrel (with cap attached to end), 3.75" when closed, 0.375 diameter. Refill cartridges available. (No. OR96)