This Silverline MS51 Tap and Die Set comes with 40 pieces of fine carbon steel taps and dies, as well as a tap wrench. The set is designed for metric measurements and is perfect for any DIY or workshop projects. The manufacturer part number for this set is MS51.nnThe set weighs 1.02kg and measures 32cm in height, 15cm in width, and 2cm in depth. It is suitable for use in a variety of applications, from automotive repairs to home improvement projects.