Answer:

FERRULE

AnswerCrossword Clue
FERRULEUmbrella tip
FERRULEPencil part
FERRULERing around the end of a post
FERRULETool handle strengthener
FERRULEMetal band that holds an eraser on a pencil
FERRULEMetal band around a pencil eraser