[[File:Contra-angle hand piece.jpg|right|200px|thumb|Slow speed, contra-angle hand piece with a latch grip attachment.<small>''© Lisa Milella 2013''</small>]] | [[File:Contra-angle hand piece.jpg|right|200px|thumb|Slow speed, contra-angle hand piece with a latch grip attachment.<small>''© Lisa Milella 2013''</small>]] |