Canneed "ZM570-D Digital Body Blank Gauge"
These units are made for the quality control of can body blanks.
1. Precision gauge for measurement of body blanks with the help
   of a incremental ruler/ fine measuring gauge combination and
   a digital dial indicator for the angle measurement;
2. Constant measuring force for accurate, repeatable,
   user-independent results
3. Sequential measurement of blank height, blank width and squareness  

Technical data (changes reserved) :
Model:             ZM-370-D  ZM-570-D    ZM-920-D   ZM-1220-D
Measure range:     0-370 mm  0-550 mm    0-920 mm   300-1220 mm
Long:              590 mm    790 mm      140 mm     1441 mm
Width:              630 mm    630 mm      630 mm     824 mm
Height:             400 mm    400 mm      400 mm     400 mm
weight:            33 kg          39 kg       50 kg      78 kg
Resolution:     0.01 mm
Accuracy (20.C): +/- 0.02mm
Power supply: 85...230 V , 50...60Hz