Makita is giving landscapers more options with both MM4 4-Stroke Engine and 18V X2 LXT (36V) cordless couple-shaft power heads (sold separately), and the Brush Cutter Couple Shaft Attachment is the right accessory for use with this versatile system. It has a 10 mm left-handed thread 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. Quickly attaches to power head for easy operation. Steel drive shaft for less vibration and longer equipment life. Large multi-purpose grass shield, can be used with trimmer head (included) or brush cutter blade part no. B-14118 (sold separately). 17 in. cutting swathe for efficient grass cutting. Includes bump and feed trimmer head for quick and efficient line feed. Utilizes industry standard 10mm left-handed thread arbor for easy trimmer head replacement. For use with Makita Couple Shaft Power Heads. Includes: (1) Bump & Feed Trimmer Head - 126674-0.