ECHO DPAS-2100SB String Trimmer (Tool only) The DPAS-2100SB trimmer powerhead, featuring legendary ECHO power and versatility, connects quickly to 15 available PAS attachments. Features Its powerful top-mounted motor provides gas-like performance Has a variable speed throttle that matches cutting conditions Has a lightweight design with cushioned handles for easy maneuverability and increased comfort Has a 14-inch or 16-inch cutting swath that is adjustable for either efficient or aggressive cutting Its tool-free coupler and versatility allow for quick and easy changes on up to fifteen different attachments Its Hi/Lo speed settings improve cutting performance and extend battery life Its Speed-Feed® 400 head is loaded with .095-inch diameter Silentwist® trimmer line and reloads in seconds without disassembly Uses a 5Ah battery with a 252 Watt Hour capacity or a 2.5Ah battery with a 126 Watt Hour capacity Has a run time of up to 28 minutes and a 75-minute recharge time with a standard charger