3M™ 72787, Calibration Kit 529-04-48, Large, 7000052154, 1 EA/Case 
Insize 8101-30D, COUNTING SCALES, 20g~30kg, 6940561944761
$469.70
LCD display, with backlight
Zero-setting, subtracting tare value, counting, accumulation, checking alarm
Overload alarm
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