Description:13 sets engraved paper cutting knives kitHead with high-impact plastic helmetAs sharp as the scalpelBlades can be replacedFor fine workMaterial: stainless steel, plasticHandle Length: Approx.4.72 inch / 12 cmScope of Application:Engraved glass wool surfaceModel MakingEtchingsCarvingScribing    Package includes:3pcs Knives Handle13 pcs Blades in differentshapes (as shown)1 x Storage Case