13-642 6-1/4 in. Topographic Abney Level 1617EVSPK perimeters and more just by

perimeters and more just by rolling the wheel on the desired surface

hard surface from interior floors to sidewalks

this carefully-designed charger is made of durable materials

It is available in two different sizes€”72-inch that extends up to 120 inches and 84-inch that offers up to 144-inch extension

You can also use it for easy transport and carry of your LaserLine rods

13-642 6-1/4 in. Topographic Abney Level 1617EVSPK perimeters and more just bySquare sighting tube with internal focusing telescope Dual interchangeable arcs: one arc graduated in percentage of grade degrees (bi directional, 0 to 60) and one graduated in percentage of grade topographic scale Length: 6 3 8" (16. 1cm)