MSJA134 counters are built to be tough. In addition to a stainless steel metal shell and metal reset knob, MSJA134 have many internal metal components including the main frame, main shaft and part of counting mechanism. This is a high quality and high precision hand counter counts from 0 to 9999.
This thumb operated counter include:
Zero tuning knob used to reset the counter.
Holding Ring attached by metal screws
Display window with white numbers on black background.