MAGICYOYO Yo-Yo Silicone Response Pads- Yellow- Set of 12 - Slim Large, Slim 19*14.2*1.15mm. (Outer diameter:19mm, Inner Diameter: 14.2mm , Thickness :1.15mm ) 6 pairs Silicone For all metal yoyo MAGICYOYOs K, T, M, N series and Other yoyos.