Agatec 1-17032 10 Feet Direct Read Grade Rod for Optical (tenths) Direct elevation readings eliminates errors caused by adding or subtracting in the field Tape face has a matte finish with yellow back ground making graduations easy to read in high or low lighting conditions Constructed of high-strength anodized aluminum make rod rugged but light weight Dupont nylon parts ensure durability on even the toughes job sites Large easy to read graduations make reading the rod easy and accurate.