There-ǳ only one word to describe it: INCREDIBLE!!! In a matter of stringing there-ǳ nothing comparable out there. The only machine that does all the things this does is Tecnifibre and it costs something about $8000. But even at this price tecnifibre is not as customizeable as this Gamma. You can set pre-stretch and knot from 0 to 30%. It has 7 pulling speeds. The automatic gripper works heavenly. The mounting system is fast and easy and don-Ǵ block the grommets and it leaves plenty of space for you to work in your stringing. The clamps are lighter than other models and reliable, also easy to adjust. Though it is not self calibrated, the process to do it, the first time I did it, took me only three minutes. The string measurer works precisely and save you a lot of time measuring the string. I tested Wilson Baiardo, Babolat Star 5, Prince 6000 among others and I think Gamma really captured what a stringer need to do the job fast, reliable, comfortable (the electric column adjust to your height smoothly) and easy. A machine for a lifetime!!!