Features: *Make it easier to split rocks, granite, marbles,concrete,etc. *High-quality steel, heat treatment process, high hardness and toughness. *Shims are made of high-hardness steel, heat-treated process to enhance toughness. *Using this tools to split the stone by hand, suitable for splitting hard stone, rock, granite, marble, concrete, basalt, sandstone, gneiss, limestone, shale, conglomerate. How To Use: *Drill holes with quarrying dedicated drill, remove residual powder of hole; *Put stone splitter into the holes; *Hit the rock splitter with a hammer until the stone cracks. Specifications: Product name:Rock Stone Splitters Material: Chromium vanadium alloy steel Color: Grey Total Length: (Approx. ) 105mm Drilling diameter: (Approx. ) 18mm Drilling depth: (Approx. ) 50mm Suitable for: splitting hard stone, rock, granite, marble, concrete, basalt, sandstone, gneiss, limestone, shale, conglomerate. Quantity: 5Pcs Package Included: 5 Rock Stone Splitters Note: 1.Transition: 1cm=10mm=0.39inch. 2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 3. Please allow slight manual measurement deviation for the data. _x000D_ _x000D_