20pcs Dental Polishing Brush Wood Core Brush Dental La Materials Dentistry Odontologia Wheel Rotary Tools 1/2/3 Row
Material:
Hair, Wood;
Hole Size :
Front hole size and back hole size are different.
1 Row : Front & Back hole diameter: 7mm/0.27in
2 Rows : Front hole diameter: 5mm/0.19in, Back hole diameter: 8mm/0.31in
3 Rows : Front hole diameter: 6mm/0.19in, Back hole diameter: 9mm/0.31in
