The ECHO brush cutter SRM-222ES is a machine for the more serious homeowner. It's a high-performance machine with a 2-stroke engine and a loop handle for precise operation. It comes with the'Easy Start' assist system that makes starting practically effortless. It has a 21.2cc engine and it weighs just 4.7kg. Fuel Consumption At Maximum Engine Power (L/h). Standardised Nylon Head (Item Number). Vibration Left handle/Right handle (m/s) Nylon head. 3.8 / 5.7. Sound power level dB(A) Blade/Nylon head.