How to replacing the cutting blades | RG-KM - YouTube
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Stihl RG-KM Rotary Cutting Head – Skyland Equipment Ltd
The RG-KM and RG rotary cutting head | Our new RG-KM and RG rotary cutting head works just like a hedge trimmer, with blades that move back and forth to give low-spin
STIHL RG-KM Rotary cutting head, Review - YouTube
Demo of the New Stihl RG- KM Rotary Cutting Head - YouTube