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