Jameson Replacement Female Ferrule, includes leaf spring button , Fits 1-1/4″ OD PolesReplacement for all JE, FG and LS Landscape series poles with 1-1/4″ OD. Foam Core poles. Jameson uses aircraft grade aluminimum ferrules with an exterior leaf spring locking button, giving a secure and positive connection when attaching pole extensions and accesories.Note: Will not file older 1-1/8″