12Pcs/set5pcs screw tap: M5×0.8, M6×1.0, M8×1.25, M10×1.5, M12×1.755pcs round die: M5×0.8, M6×1.0, M8×1.25, M10×1.5, M12×1.751pcs handle screw tap wrench: M3-M121pcs round die stock: M25Wrench holder is made of Zn alloy