The Wilson Blade 98 BLX updates the K Blade 98 with the improved feel and frame feedback offered by basalt fiber (BLX) technology. Continues the traditional feel in the same vein as the SixOne 95 BLX, but in a lighter, more maneuverable package. A 21mm flat beam and 98 square inch headsize provide solid feel and control for intermediate to advanced players with a faster swing. A versatile performer from all points on the court.Wilson introduces the use of Basalt fiber (BLX) technology for improved feel and frame feedback, continuing to feature classic feel in the same tradition as the previous-generation K Blade 98 and nBlade 98, coupled with the added feel and stability of BLX technology. Dense 18x20 string bed further enhances control and stringbed stiffness for advanced players. Specifications are nearly identical with the past generation K Blade 98. BLX builds upon the very popular K Factor design, offering a refinement of Wilson frame technology that provides the ultimate in feel and performance. Uses new Wilson Pro Hybrid Grip, which offers thinner (1.6mm) synthetic grip comfort, combined with a leather base for ultimate feel.Headsize:98 sq. in.Length:27.00 in.Weight (strung):11.40 oz.Stiffness (Babolat RDC):65Balance:13.30 in. Head LightCross Section:21mm Flat BeamSwingweight:335 kg*sq. cmString Pattern:18x20Grip:Wilson Pro Hybrid Grip