MULTIPLE DIMENSIONS - Punch set includes 3pcs steel punches -1/8", 9/64", 6/32",4Pcs hollow end starter punch set -1/16β, 5/64β, 3/32β, 1/8β5Pcs brass roll pin - 3/16", 7/32", 1/4", 9/32", 5/16", 4Pcs blacked steel pins - 1/16", 3/32", 1/16", 3/32", 2pcs sturdy plastic punches -15/64", 3/8" .Multiple sizes and wide applicability.