Manufactured from alloy steel this set features split die a comprehensive array of taps three tap holders and two die holders popular sizes of taps are supplied in twos tap sizes 4x07 5x08 7x1075 8x1251075 9x0751125 10x075 112515 11x075112515 12x 075112515175 14 x1 16x1152 18x15 14 x 215125 die sizes m2x04 m3x05 m4x07 m6x075 m6x1 m7x075 m7x1 m8x075 m8x1 m8x125 m9x075 m9x1 m9x125 m10x075 m10x1 m10x15 m10x175 m11x0