Resolution .00005″/0.001mm
Measure peak-to-valley height of blast cleaned surface. If the profile is too low, the adhesion of the coating to the surface will be reduced. If the profile is too high, there is the danger that the profile peaks will remain uncoated, allowing rust spots to occur.
Meet ASTM D 4417-B.
Zero set block is included, set zero before measurement.
Button function: tolerance Go and No-Go display, data preset, measuring direction change, max./min./TIR measurement, inch/metric conversion, absolute/incremental measurement.
Battery CR2032, automatic power off.
Data output. Stainless steel base.

3M 65489, Pro Grade Precision Ultra Durable Universal Hole Sanding Disc DUH5120TRI-10I, 5 inch UH, 120, 7100202873, 10 per pack
Insize VSP-201-R200, ADJUSTABLE SUPPORT, diameter , 2.36"~7.87", 6940561941340
3M 10116, Synthetic Steel Wool Pads, 10116NA, #2 Medium, 2 in x 4 in, 7000047708
3M 54109, Scotch-Brite Roloc AL Surface Conditioning Disc TR, 1-1/2 in x NH A MED, 7100075533, 200 per case 