The ECHO A556000550 Clutch Bell is a genuine OEM replacement part designed for various ECHO outdoor power equipment models. This essential component ensures proper clutch engagement and power transfer, maintaining optimal performance for trimmers, edgers, and other tools. It is compatible with ECHO SRM-225, SRM-225i, SRM-225U, GT-225, GT-225i, GT-225SF, PAS-225, PE-225, PPF-225, PPL-225, PPT-225, SHC-225, SHC-225S, CPL-225, and SRM-225SB models. Weighing approximately 0.05 kg with dimensions of 63.5 mm x 63.5 mm x 38.1 mm.