Babolat RPM Rough 17 20 - originally called RPM Blast rough. New name - same great string.

RPM Rough is the textured version of RPM Blast, one of the most popular co-polys ever made. Like the standard RPM Blast, this string is a co-polymer monofilament with an octagonal shape and a special cross-linked silicone coating.

RPM Rough is perfect for aggressive players who like to attack the ball with long, fast strokes. With its grippy surface, you'll find plenty of bite for bringing the ball down with spin. The durability is also quite high, making this a great option for string breakers.

This 1.25mm version offers a tad more spin potential and feel but less durability than the 16 and 15L versions. 

• Gauge: 17/1.25mm
• Length: 40ft/12m
• Composition: Co-polyester Monofilament
• Shape: 8-Sided, Textured 
• Colour: Black,