21560070 SRM Echomatic Trimmer Head - Fits Echo SRM-210 SRM-225 SRM-230 SRM-235 - Replaces 21560050 200095200 Thermostat 6931EL3003D or custom DIY 12V/18V electrical

or custom DIY 12V/18V electrical projects

or the internal wires are exposed

Air Bubble Removal: Shake the filter for about 5 seconds

Universal Bullet-Core Pop-up: Equipped with a heavy-duty internal spring mechanism that provides a satisfying "click" response

Original pulley is cracked

21560070 SRM Echomatic Trimmer Head - Fits Echo SRM-210 SRM-225 SRM-230 SRM-235 - Replaces 21560050 200095200 Thermostat 6931EL3003D or custom DIY 12V/18V electrical21560070 SRM Echomatic Trimmer Head Key Features Reliable Semi Automatic Feed: The classic Echomatic "bump" system provides instant line advancement with a simple tap on the ground, ensuring you never have to stop mid job to manually pull line. High Impact Structural Polymer: Manufactured from a specialized glass reinforced nylon composite to resist cracking and shattering during high velocity impacts with curbs and fence posts. Optimized Dual Line