Ryobi RY40030A Connexion 40-Volt and 24-Volt Cordless Edger Attachment - 4 Positions Ryobi Connexion attachments connect to the upper half of your 24V or 40V Cordless Ryobi product This Connexion Edger is the perfect solution for tidying up your edges after mowing Help you get just the right cut along your driveway or walkway Features a 9 in. serrated blade and 4-position depth control For use with Ryobi 24-volt trimmers (RY24210A and RY24201A) and 40-volt trimmers (RY40210A and RY40201A)