Add an extra touch of personalization to any hand-stamped piece with ImpressArt’s extensive selection of detail rich Design Stamps. ImpressArt Signature metal stamps are professional quality stamps, manufactured to the highest standard for durability and alignment. Stamps are engineered from hardened steel and rated to endure stamping on soft and hard metals up to Stainless Steel*. Sharp design edges ensure crisp, deep impressions project after project. Designs are marked on side of stamp for easy identification and orientation. Details: 4mmIncludes all 12 Birth Month Flower StampsExtra sharp character designs for crisp impressions Design marked on side of stamp for easy identification and orientation Rated for soft and hard metals up to Stainless Steel* Lightly coated with oil to prevent rust Contents:January: Carnation February: Violet March: Daffodil April: Daisy May: Hawthorn June: Rose July: Lotus August: Poppy September: Morning Glory October: Marigold November: Chrysanthemum December: Poinsettia *Rated for stamping on Alkemé, aluminum, pewter, copper, brass, silver, gold, & other metals up to 56HRC Rockwell Hardness.