CHAIN BREAKER FOR POWER SAWS MODELS: ZM 2500 PN 2500 FOR ZENOAH - RED MAX MODELS: G 250TS G 2500TS FOR OLEO MAC - EFCO MODELS: OLEO MAC 925 EFCO 125 ASIA - CHINA - GOOD LUCK - LEA - SANDRIGARDEN - SWM -MTD original code: CZ code: 022549