GAS-LIKE POWER™ meets versatility with the 40V EXPAND-IT™ Attachment Capable Power Head. We've taken all the things people love about our top selling Power Head and made it better. Simply add and attachment to convert this power head in to a cordless edger, blower, pruner, cultivator and so much more the RYOBI EXPAND-IT™ Attachment System. The RYOBI 40V EXPAND-IT™ Attachment Capable Power Head surrenders nothing but gas.