Spectra LR20 Machine Control Receiver GIS Receivers 4 plating pieces are welded

4 plating pieces are welded on the backside of the wall attachments in order to guarantee high reliable position on the rough surface

7mm (dependent on operator/technique)

Built with a rugged aluminum housing

Wheel Circumference: 3 & 1/4"

such as supplementary front lenses and parallel-plate micrometers

Spectra LR20 Machine Control Receiver GIS Receivers 4 plating pieces are weldedThe Spectra LR20 Machine Control Laser Receiver allows compact machines to achieve tighter tolerances without the need for a grade checker. It is perfect for landscaping, building pods, sports fields, concrete flatwork, storm drains, general construction grading and depth control applications. This machine control receiver features a built in plumb indicator and a 360 degree reception angle to ensure maximum laser control across the job site. Also, it