I think they were made in someone's garage after a long night of drinking from scrap metal and beer cans. The good thing is that they don't have to be particularly accurate.
Gaming chair AeroCool Baron, upholstery: imitation leather/textile, color: steel blue
35 Review
Accurately Measure Angles And Levels With GemRed XVB Digital Gauge Level Box For Pipe Conduit
25 Review
Synthesizer CASIO CT-S200 black
24 Review
Thickness gauge CarSys DPM-816 PRO (Fe/nFe)
31 Review
Portable Handheld Manometer π for Accurate Pressure Differential Measurement
5 Review
π¬οΈ Advanced 3-in-1 Indoor Air Quality Monitor with CO2/RH/Temp Data Logging and Audible Alarm - NDIR Sensor Technology
8 Review
π Enhanced Precision with Backlit Professional Manometer for Differential Ventilation
6 Review
π§ UEi Test Instruments DAFM3B Digital Multimeter
6 Review