"Found" stepper motors - no datasheet available

Riiiiiiight. And only 75 bucks each.

http://www.ebay.com/itm/Nema-23-CNC-Router-Stepper-Motor-2-Phase-4-Wires-GB23H2112-30-4B-Dual-Shafts-3Nm-/141212223870?pt=LH_DefaultDomain_0&hash=item20e0e7897e

Champagne tastes; beer budget.

Recent technological advances are impressive. Things have advanced remarkably since the Stanley Steamer I drove as a young man. XD

John