Dental Metal Polishing Stick Polish Strip with Single Side of Diamond Sanding Surface with hole and saw tooth ---- Size of each piece : 150mm*4mm; ---- Material: metal with Diamond polishing sands; ---- Single side of polishing ---- Surface with hole,Reduce friction resistance in use ---- Middle part 35mm with saw tooth can be easy for cutting off ---- Quantity: 5pcs or 10 pcs