Replacement bar for use with the EGO 10’’ Power Head System Pole Saw Attachment PSA1000. This reversible bar is a component of the OREGON® Micro-Lite Narrow-Kerf Cutting System, featuring a narrow-kerf sprocket nose and double guard bars. Use EGO AC1000 Power Head System Pole Saw Chain on this Pole Saw Bar to obtain all the advantages of the Micro-Lite system. OREGON® recommends that you change your bar after the second chain replacement. EGO parts are designed specifically for your EGO POWER+ Power Head System and offer the highest quality, performance and value.