... kinds of specialty abrasives Name: Flap disc; Flap wheel ; Fibre disc;Flap wheels on shaftProduct name:Flap discMaterial: Aluminium oxide ,Zirconia ... chamferings,burrs rust,sanding of wooden surface:Product name:Flap wheelMaterial: Aluminium oxide or Zirconia oxide ; Resin ... tools ,etc. Good abrasion resistance ,heat faster,grinding force strong ,clear,bright.Product name:Flap wheels on shaft Material: ...