A standard large stainless double ended clipn100 feet of white linenStrong and Corrosion Resistant ABS ConstructionnEngineered for Cold Water Glove and bare handsnCompact Easy to StownFinger spools are essential for Technical Divers, but can also be used by any diver who wants to mark an underwater any reason. Whether you are mapping a cave, performing search and recovery, or setting research grids, finger spools can come in handy. Compact easy to stow in a BCD pocket until needed, the finger spool is a valuable piece of equipment to any diver. This spool is specifically designed for colder waters