6-3/8 in. Topographic Abney Level with 2 Arcs

6-3/8 in. Topographic Abney Level with 2 Arcs

• Two interchangeable arcs offer chainage correction
• Meets gov't specification 
• Degrees (0-60") in both directions and percent of grade
• Index has friction movement for fine adjustment
• Non-glare 6 3/8 in. aluminum level tube extends to 7 3/8 in.
• Padded belt-loop case included for easy handling