All CNC Machined moulds for a consistently moulded lead with no clean-up after each pour and no flashing to worry about. Each Mould is stamped with the Lead size on the Lead Mould in ounces so that it will be easy to identify and each Lead Mould comes with a starter pack of Stainless-Steel Loop Wires, Break-out wires & Colour Rollers corresponding to the lead weight.