New packaging but the same high modulus string technology from Gosen. Durbaility is increased with this string. This is a high performance synthetic gut using composite micro fiber technology combined with special nylon and co-polymer (3) island process. According to Gosen, this substantially increases the dynamic elasticity and resiliency to provide more power, greater control and less shock.

• Gauge: 16 (1.31 mm)
• Length: 40 feet (12.2m)
• Available colors: Black