Made of steel, which can resist the compression deformation produced during the splitting process and has high hardness and hardness.A combination of many wedges and spacers placed in a series of drilled holes can expand, causing the to separate.Used to separate hard rock, stone, , marble and concrete.Use demo:1. Prepare the stone splitter and the corresponding percussion bit.2. Drill holes with a percussion drill, paying attention to the spacing.3. Insert the stone splitter into the opened hole.4. Use a hammer to beat evenly back and forth.Name: Stone Splitting ToolColour:Photo ColorMaterial:steelSize:16mmPackage Contents:10 x wedgeOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.