Makita gives landscapers more options with both MM4® 4-Stroke Engine and 36V (18V X2) LXT® couple-shaft power heads (sold separately), and the Brush Cutter Couple Shaft Attachment (EM403MP, sold separately) is the right accessory for use with this versatile system. Makita® Brush Cutter Debris Shield Extension (144316-4) pairs with the Brush Cutter Debris Shield (457271-4, sold separately) and EM403MP by extending the debris shield to deflect debris away from the operator when cutting. The extension features a trimmer line cutter, which allows nylon trimmer head to be used with the Makita® Brush Cutter Debris Shield.