Snaps easily into three-degree tapered socket of AquaDozer? heavy-duty floor squeegees (sold separately). Converts squeegees from tapered sockets to ACME sockets, conveniently allowing the use of either type of handle. Adapter Type: ACME Insert; Connects Devices (From/To): Handle To Squeegee; Stem/Thread Type: Standard Thread/ACME Socket; For Use With: AquaDozer? Squeegees.