18 high carbon steel stamps and sturdy wooden handle, all carefully packaged in a wooden storage box. The hardened stamps have concave surfaces, making them ideal for setting up limescale. Use them as a lock for fixing stones in the fixings, for polishing or simply finishing pipes on stones. Hole punch sizes 1mm, 1.25mm, 1.5mm, 1.75mm, 2mm, 2.25mm, 2.5mm, 2.75mm, 3.25mm, 3.5mm, 4mm, 5mm, 5.5mm, 6mm, 7mm and 8mm.