Stoddard Maxflex Pop-On Set • Mandrel design prevents slipping • The polishing discs are single coated with aluminium oxide grit and have a brass centre to ensure secure attachment to the mandrel • Super thin foil disc - ideal access to the tooth surface and for interdental polishing • Easy handling thanks to the colour coded discs Contains: 30 pieces each of 10mm & 14mm diameter for Coarse, Medium, Fine, Ultra-fine and 2 mandrels.