This Oral-B Precision clean brush heads pack of 10 are interchangable with all Oral-B handles (excluding Pulsonic/Sonic).

Dentists recommend changing your brush head every 3 months to keep that dentist clean feeling.
Cleans and polishes your teeth
Keeps teeth naturally white
Interdental tips
Indicator bristles
Self end rounded bristles
Surrounds each tooth for a complete clean for cleaner teeth and healthier gums