Lightweight lightning. The DPAS-2100SB powerhead, powered by the ECHO eFORCE® 56V battery system, includes a Speed-Feed® 400 trimmer head attachment. Featuring legendary ECHO power and do-it-all versatility, the powerhead quickly connects to 15 available PAS attachments. The ECHO 56V DPAS-2100SB is an Attachment-Capable String Trimmer that provides a versatile option for end-users. Equipped with a Speed-Feed 400 trimmer head, this weed wacker is pre-loaded with .095 in. dia. Silentwist trimmer line and reloads in seconds without disassembly. With a high-efficiency brushless motor, this lightweight powerhead can be used with up to 15 ECHO PAS attachments to tackle any project.