The Brennenstuhl 1500763 Engraver kit which is suitable for all metals from soft to extra hard. The modelling tools (supplied) are ideal for use with soft metals; such as copper, tin and aluminium. Supplied with: 1 x adaptor for spare stylus, 1 x sintered carbide stylus, 1 x diamond tip, 1 x ball tipmodelling tool and 1 x pointed modelling tool. 25W