Brushcutter clutch compatible ZENOAH ALPINA MITSUBISHI STIHL ECHO TANAKA For models : ALPINA 21, 22, 25, 26, 30, TS 27 ECHO SRM250, 2000, 2500 MITSUBISHI TU26, T50, T110, T140, TM 21, TM24 STIHL FS60, 61, 66, FS81, 86, 88 TANAKA SUM301, TBC ZENOAH G23LD, G2KD, G2D, SGC2300DL DIAMETER 51.5 mm BORE 8 mm Code 54. 150.0530 270192 ZENOAH