Specification Brand : Syuejur BulletPoint : carbide chisel BulletPoint1 : 【Two Specifications】: 16 * 105mm and 18 * 105mm. The diameter of the hole needs to be 2mm larger than the diameter of the stone splitting tool. For example, a stone splitting tool with a hole size of 16 * 105mm requires a hole diameter of 18mm. The spacing between the openings is 10cm. BulletPoint2 : 【Durable Metrical】: Industrial grade material, High-quality metal, high hardness, toughness. Forged with spring steel and designed with high-strength hexagonal bars, it has better comprehensive performance and is more durable.The surface is treated with sandblasting to prevent slipping and wear. BulletPoint3 : 【Widely used】:Home decoration, stone demolition, road surface demolition, slope treatment. BulletPoint4 : Use Way: 1. Prepare the stone cutter and corresponding impact drill bit. 2. Use an impact drill to drill the hole and pay attention to the spacing. 3. Insert the stone splitting tool into the opened hole. 4. Use a hammer to evenly strike the middle socket head. BulletPoint5 : Note - When using a concrete chisel to break stones or make grooves, please use appropriate force to strike. Sharpen your chisels regularly to keep them sharp and usable. Color : Metal ExternallyAssignedProductIdentifier : 4650263140614 ExternallyAssignedProductIdentifier1 : 0727717907179 ExternallyAssignedProductIdentifier2 : 727717907179 IncludedComponents : Spade 20/40/14/40mm, length 250mm; Drill 5/6/6/8/8 8/10/12, length 160mm IncludedComponents1 : ... IncludedComponents2 : ... IncludedComponents3 : Self-sharpening Flat Chisel IncludedComponents4 : Storage Case ItemName : Syuejur 3/4'' (16mm), 5/7" (18mm) Rock Splitting Wedges,10pcs Stone Splitter Tools Masonry Chisels for Hard Rock, Marble, Granite, Stone, Concrete ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 12 centimeters ItemPackageDimensions_Width : 10 centimeters ItemPackageQuantity : 1 ItemShape : SDS PLUS ItemTypeKeyword : masonry-chisels Manufacturer : Syuejur Material : Alloy Steel ModelName : Stone Splitter Tools ModelNumber : Sy022 NumberOfItems : 2 PartNumber : hta240127hh000656 PowerSourceType : hand_powered ProductDescription : 【Safe Use Principles】: 1. Choose tools that are suitable for work needs, 2. Keep the tools in good working condition, 3. Choose tools with good materials for use, 4. Before use, please make the necessary protective measures, 5. Install various manual tools according to the correct steps. 6. Do not use the tools until they are installed properly. Package included: 5 sets 16*105mm Tools and 5 sets 18*105mm Tools. Four Parts per set: one Rubber ring, two wedges, one middle wedge.