
It hasn't been used in real life yet, but I took it to work and tested it in the calibration lab. I zeroed it on a granite slab and tested accuracy to within 1 inch using calibrated caliper blocks of various sizes. Each unit used showed exactly the same readings. The blocks used are calibrated, comparison below. 0.2505 read "0.375" 0.3750 read "0.500" 0.5005 read "0.850" 0.8505 read "1.000" 1.0000 read surface plate returns to 0.

Cullaby Contour Gauge: 10 & 5 Inch Duplications For Perfect Templates Of Curved And Odd Shapes, Plus Bonus Angle Ruler & Carpenter Pen!
23 Review

Thickness gauge CarSys DPM-816 PRO (Fe/nFe)
31 Review

Laser rangefinder Xiaomi ATuMan Duka LS-P Laser Range Finder 40 m gray
119 Review

Gaming chair AeroCool Baron, upholstery: imitation leather/textile, color: steel blue
35 Review