Geomax Transit Field Book, Size 4-1/2 x 7-1/4 total station batteries This Keson ruler enables you

This Keson ruler enables you to draw lines up to a specific length without the use of a chalkline or mason's line

Includes a nylon carrying case

This instrument is available in two options for reflectorless measurement:

this professional charger is ideal for many GEB batteries including GEB111/121

Quickly retracts eliminating tangled string

Geomax Transit Field Book, Size 4-1/2 x 7-1/4 total station batteries This Keson ruler enables youGeoMax Transit Field Book Model Number: 839912 Features: Rain Resistant Fine Quality Ledger Paper Hard Bound in high visibility chrome yellow coated fabric 80 leaves in water proof ink Appendix of 11 tables of conversions, trigonometric functions, and formula for solving right angles and curves Left hand pages have 4 per inch blue horizontal line and five red vertical lines Right hand page has 8 vertical and 4 horizontal blue lines with a red vertical