The desk tally counter comes with one, two, or six counting units.
One Counting Unit: A chrome plated with counter with a flange (21/2" dia.) for desktop mounting. The recording lever is on the right side and the reset knob on the top. The counter is ideal for serial sectioning work. Four digit place.
Two Counting Units: A Counter with two counting keys each with 0 to 999 range with a single reset knob it comes with removable tabs for top identification.
Six Counting Units: A counter with five keys and one totalize unit (0 to 999), which records the total number of strokes made on other keys. At 100 increments, totalizing unit rings bell. When totalizing unit records 100, each figure corresponding to individual keys automatically displays percentage. Two reset knobs, removable tabs on top of counter provide area for identification of clasification being counted.