Economy polypropylene handle with comfortable finger grip. Easy to clean. The 4-1/2" x 9-1/4" blade is hardened and tempered steel. Two notch sizes for multiple uses: V-notch (3/32" x 1/8" x 15/32") and Square-notch (1/16" x 1/16" x 1/16") for carpet, wall tile, vinyl and vinyl materials.