Detailed Product Description 12Pcs Needle File Set DataItem No.FN712pcProduct Name12Pcs needle file setMaterialGCR15 SteelSize3MM*140MMSurface SandblastHardnessHRC60LogoAvailableShapeHand,half round,triangular,square,round,flat,knife,barrette,crossing,ovel,joint round,feather edge.