has modified their RPM Blast Formula and created RPM Blast Rough. The rough texture helps increase spin potential in addition to the octagonal shape. The co-polymer mono-filament construction uses a special cross-linked silicone coating ensuring the strings still glide across each other. RPM Blast Rough plays softer than original RPM Blast, with a little bit more pop. This iteration is a wonderful choice for players who hit heavy topspin but want a little livelier feel than most co-poly strings.

Construction: Extruded co-polyester monofilament

Color: Black, Yellow, Florescent Red

Gauge: 1.35mm (15g), 1.30mm (16g), 1.25mm (17g)

Length: 200m (660')

Features:

-Octagonal Profile for Spin

-Cross-Linked Silicone Coating

-Rough Texture

-Softer than original RPM Blast

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