YTEX Strings - Can't go wrong with YTEX! I recently received my 2 reels of Quadro Twist black that I ordered and I absolutely LOVE IT!!! I previously was using Square X
Quadro Twist 16L Reel – YTEX Canada
YTEX Hexagon-X Pearl Red Tennis Racquet String Reel (16L Gauge, 1.25mm) : Sports & Outdoors