Stone Shim for Stone Splitting 14 mm 5-pack Material: metals Size: Diameter 14 mm (0.55 inches), Length 105 mm (4.13 inches) Suitable for splitting the hard stone rock granite concrete heat treatment process, high hardness, toughness, low cost, cost, versatility, easy to use Keep it out of the reach of children and safety first How to use 1 Central wedge + 2 wedges composition 2. First use quarry dedicated drill holes, remove residual powder from the hole 3. Then turn the large side of 2 wedges upside down (flat against flat) and insert it into the hole 4. Then turn the small side of the central wedge upside down between 2 wedges, and finally use the hammer to split the stone Color: Black Packing list: 5 * tools Only the above package content, other products are not included. Note: Light photography and different monitors may cause the color of the item in the picture to be slightly different from the real one. The allowable measurement error is +/- 1-3 cm.