Leica 746158 Trivet Assembly with Mounting Bracket for Piper Pipe Lasers Stands A magnetic mirror is used

A magnetic mirror is used to check the perpendicularity of any flat surface to a line of sight using the optical principles of autoreflection or autocollimation

and plummet accuracy is 1

Graduated in cm and ft

Maintenance-free compensator for vertical indexing

AP20 T Automatically measure pole height and compensate a tilted pole alignment

Leica 746158 Trivet Assembly with Mounting Bracket for Piper Pipe Lasers Stands A magnetic mirror is usedBuilt for underground crews who need fast, rock solid setups, the Leica 746158 Trivet Assembly locks your Piper series pipe laser exactly where you want iton the invert, bench, or floorso you can shoot grade with confidence. Common uses Sewer and storm drain runs Waterline grade shots Manhole to manhole alignments Culverts and long straight pulls Whats included Trivet base assembly Piper mounting bracket Attachment hardware