Makita is giving landscapers more options with both MM4? four-stroke engine and 18 V X2 LXT? (36 V) cordless couple-shaft power heads and the brush cutter couple shaft attachment is the right accessory for use with this versatile system. It has an M10 x 1.25 LH shaft arbor that fits common sized trimmer heads for increased versatility, with a large multi-purpose grass shield that can be used with a trimmer head for grass blade. It has a bump and feed trimmer head for increased efficiency, with a steel drive shaft that is engineered for lower vibration and longer service life.