New design, Inner part is hard plastic, outer part is soft silicone, which make the balance between hardness and elastic.
The elliptical inner core and silicone can be match with various adjacent interdental spaces, and press the matrix bands on the teeth closely.
Autoclavable.
Length 16mm, Diameter Head 1mm, Tail 0.5mm, Silicone Bur 3mm
Packing: 40 pcs/box
