Nylon data book case, A5 size compatible. - Brand: U.S. Tactical Supply - Model: Super Data Book Spiral Version - Camouflage Pattern: JGSDF Camouflage - Size: A5 size - Included Items: Data book - Material: Nylon Coil-bound data book This data book contains 256 pages of information and is a coil-bound type that makes it easy to write and refer to shooting data. The contents cannot be replaced, but it is designed for long-term use and has a wealth of information. Especially for snipers in the Japan Ground Self-Defense Force, data that can be instantly referenced, such as ballistics, wind direction, and angle shooting, is very useful. Cover The data book cover is made of durable Cordura nylon. Designed to withstand harsh use in the field, it can be used as a dedicated cover for a long time. The size is 10" x 6 1/2", making it a suitable size for snipers to carry.