A light-weight (20 oz.), rugged 1.6 meter Jacob's Staff, constructed of anodized aluminum, which breaks down into four, 40 cm long sections for easy, compact transport. They four sections have threaded connections to create a strong, rigid rod. The staff is labeled with 10 cm increments. A machined aluminum bracket, with level bubble, holds the 8047-15 Abney Level,in a nylon collet (does not hold the 8047-55 Magnifying Abney Level). The abney level is not included and is purchased separately. An optional adaptor is available to hold a Brunton pocket transit to use as an inclinometer (does not hold the Brunton for azimuth measurements). This level/compass bracket can be moved to any height on the staff and is secured by a quick turn of a knob. The complete unit comes in it's own carrying case ready for the field.