Korg rubber key contact for, EC150, EC350, IS35, IS40, IS50, IS50B, IX300, KARMA, MS2000, N264, N364, N5, N5EX, PA1X, PA1XPRO, PA3X, PA60, PA80, PA800, PROPHECY, SP100, SP200, SP300, SP500, TR61, TR76, TRITONLE76, TRITONLE, TRITONLE88, TRITONST88, TRITONEX88, X2, X5, X5D, XC1000, XC2000, XC3000, OASYS 88 For 61 Keys model need 4X12p strip and 1x13P strip. You can use it on Ketron XD9, SD1 X1, MS60, MS100 and many models like as Roland, Kurzweil, Nord. Same day shipping when paid by 12 PM PST