Description: Material : Brass, Aluminium & Glass Finish : Black Weight: 4.5 kg Approx Height : 15 inch, 38 cm Tall Approx Theodolite 20 sec Approx Suitable for measuring Horizontal, Vertical angles with optical Plummet 2.5 x, Focusing range 0.5 m,  Erect image 24/30 x coated optic Shortest  longest measuring distance 1.5 m/300 mt Approx Graduated circle 360 º Vernier reading 20" Approx Objective aperture 40 mm Approx