Mantis E-System Hedge Trimmer Attachment 330105 E-System Hedge Trimmer Attachment Total Unit Shaft Length 60.5-inch (Hedge Trimer Attach Shaft Length 24.5-inch / Power Head Shaft Length 36-inch). Assembled Unit length 8.2-feet! High carbon steel blades quickly and easily slice threw hedges and low laying brush with a blade speed of 4,900 cuts per minute 20-inch long dual-reciprocating, double edge, steel blades 180-degree blade rotation offers infinite trimmer angles