Mantis E-System Line Trimmer Attachment 330104 E-System Line Trimmer Attachment Total Unit Shaft Length 60.5-inch (Line Trimmer Attach Shaft Length 24.5-inch / Power Head Shaft Length 36-inch) Uses standard grade .095-inch trimmer line and comes with 20-foot refillable spool Trimmer line is tap fed - tap trimmer head on the ground to advance trimmer line. Trimmer Shield: 12-inch long steel trimmer shield with line cutter to reduce excess line feed (max line length at cutter, 5 5/8")