LUXILON ALU POWER SPIN 12m (SILVER)ALU Power Spin is the shaped version of Luxilon's iconic ALU Power, one of the most revered strings of the modern tennis era. For our playtest team this five sided co poly had the same phenomenal precision and feel of the round version. It also proved to be quite versatile, in that it managed to keep our biggest shots inside the lines while never feeling dead on shorter strokes or volleys (unlike many of the stiffer, traditional polys). Not