Tourna Poly Big Hitter 17 Silver String. It played quite similar to Luxilon Alu Power, good power, durable & more uniform performance through out the string life. Its a bit softer than Alu Power too.
Just to see if any CHing wants to try a set or two.
◦Gauge: 17 / 1.25 mm
◦Construction: Poly-poly ether with aluminum fibers
◦Color: Grey Silver