Check the listing for details. Compact Numbering Machine for Letterpress - 5 Digits Reverse -. Condition: New. Listed at 15.00 USD. Brand New Compact 5 Wheel Reverse Numbering Machines Brand new 5 digit, plunger style numbering machines. 5/32 Compact Roman font. Type high x 25mm (1") x 30mm (1-3/16") - perfect for tight spaces. Critical parts are hardened for long life. Solid wheels are left black after hardening. We will ship all reverse machines unless you indicate how many you would as forward machines.