Letter stamps: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, X, Y, Z Character stamp: & Number stamps: 0, 1, 2, 3, 4, 5, 6/9, 7, 8 Made of carbon steel with high hardness and good wear resistance, durable to use.