Babolat RPM Blast super polyester with oval shape profile for excellent performance and durability available in 15g, 1.35mm, 16g, 1.30mm, 17g, 1.25mm and 18g, 1.20mm in Black, Used by Rafael Nadal to great effect., Made in France. Also available RPM Blast Team version which is softer and more comfortable to hit the ball. 660ft reel for £120.00. 38ft set for £13.00