Japanese V-10 Cobalted stainless steel. Hand-forged Korean thinners. Unique thinner-blenders have teeth on both blades. Do not leave a perceptible line in the hair. Very comfortable handle design. Convex edge on back blade. Stepped teeth on front blade, “double teethed”, hollow-ground concave blades . Leaf-spring tension system and opalescent dial. Double Teeth Texturizer available in 15, 30, and 35 teeth. Includes complimentary scissor case.