Approx. 24" scale. NO amplification in this clip! Can your abg do that? Proprietary synthetic strings. Ridiculous volume & the tone is promising! I'll post a review when I get one in my hands. The owner of Aquila Strings in Italy is developing these for the market. No word on pricing or availability yet (sorry), but I should have a prototype to review shortly. (I've become friends with the maker after using his strings on my U-Bass. I have no financial interest in the company or affiliation- I'm just putting this amazing teaser out there to frustrate you all! ) This is the 24" (60cm) model. Longer scales and other features are in development. I'm so excited to try this thing!!!!