A set of tools for engraving on stone or granite, it consists of 28 items, (Set for engraving on stone – 1) + (Set scalpel-10pcs) + (hammer for scalpels) + (diamond grinding wheel for sharpening) + (2 pcs pencil stone.) including a pencil for engraving (220VOLT) with additional needles for replacement – 5 pieces. The tips of the needles are made of carbide – Tungsten carbide (VK-8). Weight-3.8kg. If you want to know more, please contact me.