Processing:Design Universal Chain Breaker Tool Replaceable Press Pin is Heat Treated And Hardened;. ✔Suitable for the following Roller Chains: 25, 35, 41, 40, 50, 60, 05B, 06B, 08B, 10B, 410, 43, 65, 415, 42, 415H, 420, 423, 428, 28H, 520, 530, 25H, 40H, 50H, 60H, C2040, C2042, C2050, C2052, C2060, C2062, A2040, A2050, A2060.