The most premium of Synthetic Guts

The most powerful and durable string in the OG-Sheep series. The Rectangular Z enhances the Micro models and modifies the outer core, resulting in more power, durability and control, whilst retaining softness. The perfect string designed for those who enjoy the bite and feel of the traditional gentlemen’s tennis – suitable for all courts.

durability: 100/100
power: 80/100
softness: 80/100
spin: 90/100

gauge: 1.30mm-1.40mm (15GA)