ErgoTec Locking Cone

Replacement cone features a dual-purpose tip that accommodates both Acme-thread and taper-lock attachment systems. Push-button lock ensures secure attachment and easy release. Easy to install to any Unger extension pole (sold separately). Adapter Type: Locking Cone; Connects Devices (From/To): Extension Pole to Attachment; Stem/Thread Type: Locking Cone/Standard Thread; For Use With: Any Unger Extension Pole.

Price: 5.25 from Zuma Office Supply US