Nittaku Fastark Table Tennis Inner Extra NR8702 G-1 Rubber, Soft, Tension, Black, Thick,

Sizes: Medium (C), Thick (A), Extra Thick (TA), MAX Medium: 1.3~1.5mm, Thickness: 1.7~1.9mm, Special thickness: 1.9~2.1mm, MAX: (2.1mm~) Specifications: Tension-type soft rubber, Performance: Sponge (Speed/15.50, Spin/12.50), Sponge Hardness: 37.5 (German Standard/47.5) Features: Tension Spin Sheet: The Tension Spin Sheet delivers outstanding power with its excellent grip and granular shape. The hard, dense granular sheet resists pressure and transmits power to the ball. Official recognition: J.T.T.A (Japan Table Tennis Association), I.T.T.F (International Table Tennis Federation)/ITTF54-015