HHIP 1011-0003 45 Piece Tap & Die Set, 1/4-1 Inch - Tin Coated Range 1/41"; TiN coated Ideal set for any situation.; Packed in fitted durable & attractive plastic case with index marked Ideal set for any situation; Tungsten steel TiN coated; Packed in fitted durable & attractive plastic case with index marked.; Range 1/41" Tungsten steel