Oregon 557504 Combo 180GDBK041/20BPX072 SDG NetSuite-ID_534385 Blade has a 5 point

Blade has a 5 point star center hole for exact fit

Reference number: RA100-RR (prior to 1999)

with a larger radius nose and feature a harder rail

Replaces the 07241600 model

This long-lasting professional trimmer line is designed to fit all standard trimmer heads

Oregon 557504 Combo 180GDBK041/20BPX072 SDG NetSuite-ID_534385 Blade has a 5 pointThis 18" guide bar and chain combination features a . 325, chain ideal for occasional commercial users. The low vibration micro chisel cutters offer excellent performance, easy maintenance and low kickback. The AdvanceCut guide bar features a small radius multi rivet nose for good durability and control. Many parts look similar, so its crucial to ensure youre choosing the right replacement for your original equipment or engine model. Not sure? Use our