Diamond needle files 1.Type:needle files. 2.Material:diamond. 3.Shape:Flat,round,taper,square,triangle,etc 4.10pcs/set. Diamond needle filesFeatures:1.Type:diamond needle files.2.Material:diamond.3.Shape:Flat,round,taper,square,triangle,half round4.10 pcs/set.5.Packing:transparents PVC pouch