10 Packs 5/8 inch Stone Splitter, Wedge and Feather Shims, Concrete Rock Stone Splitter Hand Tools, by GENHAKON.

【Heavy-Duty Construction】 These GENHAKON Wedge and Feather Shims are made of high-quality steel with a heat treatment process, ensuring high hardness and toughness for reliable performance. The heavy-duty construction makes these shims ideal for splitting rocks, granite, marble, concrete, and more. 【Efficient & Effective Design】 This wedge and feather shims comes with a 5/8 inch plug shim and wedge, making it easy to split stones and concrete. The shims are designed for efficient and effective use, saving you time and energy in your stone splitting projects. 【Versatile Application】 These wedge and feather shims are suitable for a wide range of applications, including exposed ore, cranny-upgrowth efflorescence ore belt, naturally formed multi-free surfaces ores, and arch stones with one or two surfaces connected with original rock. They are effective and labor-saving tools, especially for mines applying small size of quarrying stone blocks. 【Easy to Use】 To use these shims, simply drill a 5/8 inch hole and remove residual powder of the hole. Then, place the big side of two wedges into the hole, upside down. Next, place the small side of the central wedge between the two wedges, also upside down. Finally, use a hammer to split the stone by striking the wedges in sequence, firmly but not forcing. Wait a few minutes, then repeat until the stone is split. 【Safe & Protective】 Protective measures are necessary when using stone splitting tools and hammers. It is important to wear gloves, eye protection, and face protection to prevent injury. These shims are designed to reduce the risk of injury and are an ideal tool for processing all kinds of stone, concrete, granite, and many other hard stones.