DCT - Deep Carry Tube The DCT (Deep Carry Tube) is a compact and light weight concealment device ideal for maps documents, geocache, emergency cash glow sticks, matches, sewing kit, fire lighting kits, spare batteries (CR123A, AAA, AA) and other small items Length without end caps 3.25 inches (82.55 cm) External Diameter 20mm Internal Diameter 16mm (5/8 inch) Simple Design Lightweight Airtight Waterproof/Mildew-Proof Silent Operation 100% non-metallic Vinyl End Caps for comfort when worn against the skin. Click here for Buy Now page Also available from HettyKat and Survival DEPOT Home