13-642 6-1/4 in. Topographic Abney Level 461051 a FOCUS-20 plumb vial and

a FOCUS-20 plumb vial and a 45-degree vial that allow a wide range of leveling applications

bearing wear

This pipe laser remote control from Spectra has a long operating life of 130 hours

The LaserLine B-550 Detector Bracket is compatible with Trimble HR550 laser detector model

It minimizes positioning errors while ensuring high accuracy

13-642 6-1/4 in. Topographic Abney Level 461051 a FOCUS-20 plumb vial andSquare sighting tube with internal focusing telescope Dual interchangeable arcs: one arc graduated in percentage of grade degrees (bi directional, 0 to 60) and one graduated in percentage of grade topographic scale Length: 6 3 8" (16. 1cm)