Audible tone from piezoelectric speaker

5 mm / 10 m Accuracy vertical: ± 1

Inre dimensioner:  47

Fits Pentel PG 515 Graphgear - mechanical pencil 0

geostang 4m 4 delad 3 Audible tone from piezoelectric speakerGeopole leveling pole Hyssna 4m, 4 part With wing nut for locking. Wooden core with shrink plastic. The joints are made of anodized aluminum, stable in both transverse and longitudinal directions. Black graduation printed on yellow plastic which provides good contrast. To protect the graduation from moisture and scratches, the rod is wrapped in impact resistant shrink plastic. Easy to clean. The E scale has a marking at every half centimeter. Total