The Chartwell 2426 Collimation Survey Book is manufactured from a weather resistant rag bond paper and has high cotton content for tear resistance when wet. This survey book is designed to record the collimation, reduced level and distance of surveys with its casebound wipe clean cover which folds flat for easy use and 160 pages printed with permanent, waterproof ink. Sewn with rot-proof thread, Chartwell survey books are an essential addition to any site, keeping their strength and writing surface even in adverse site or weather conditions.Features Size: 192 x 120mm80 leaves50% rag bond paper sewn with rot-proof threadCovers can be folded back flatWeather resistant
