Portable multi -functional open -air surveying instrument external member

The utility model discloses a portable multi -functional open -air surveying instrument external member, receive the groove external member including functional tool external member, instrument and meter external member and storage, the functional tool external member includes the stick instrument, bores adopts instrument and the instrument of cutting, and the instrument and meter external member includes depth measurement instrument and flat extension bar, and the depth measurement instrument includes high -elastic pair of metal alloy silk, can add counter weight hydrology clock, rivet and alloy silk guide way, and the storage is received the groove external member and is included storing room, blade clearance storing room and cutting edge zang na groove. The utility model discloses with its compact structure, reasonable in design, performance excellent, multiple functional, merrily and lightheartedly portable, application range wide, combination (connections) is convenient, easily advantages such as operati