Used makergear m2 .
https://www.makergear.com/products/m2
Originally purchased in June of 2014. Lightly used, maybe printed a total of 40 parts.
Model: M2-ASM-001
Additional Model Info : M2 v4 Rev E Includes the powerbox and 1 roll of black filament. If you want to check out the exact product I purchased on Amazon, drop this number into Amazon search B00ELUOERA