Makita HCU02C1 36V Lithium-Ion Cordless Chain Saw Kit Zero Emissions and up to 40% quieter than gas Makita-built motor delivers 1,650 FPM for increased cutting speed 12" guide bar for increased capacity "Tool-less" chain adjustments for convenient operation and maintenance Zero emissions and reduced maintenance, with no need to change engine oil or spark plug, clean air filter and muffler, or drain fuel for storage