3M 57772, Scotch Buried Barricade Tape 367, CAUTION BURIED TELEPHONE LINE BELOW, 3 in x 1000 ft, Orange, 7000133185 
3M 97419, Aluminum Foil Tape 3380, Silver, 48 mm x 45 m, 3.25 mil, 7000049613 
Insize ISL-B5-750, LINEAR SCALE, 30″/750mm, 6928640322228
$522.66
Resolution .0002″.
Max. response speed 196ft/min.
Scale grating pitch 787_in.
Scale reference point pitch 1.97″.
Accuracy: ?(197+5L)_in, L is the effective length in inch.
Cable length: 140″ (L: 2-38″), 200″ (L: 40-60″), 400″ (L: 64-128″).
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