High quality taps suitable for professional or occasional use. Includes two taps, one taper tap and one plug tap. Size; M12 x 1.25mm. Other sizes and pitches are available in our shop. Right Hand Threads. Made from hardened tungsten steel. Suitable for most materials such as steel, aluminium, copper etc. This set features M12 x 1.25mm Taper & Plug Right Hand Threads, ideal for soft materials. Constructed from hardened tungsten steel.