Electric Hammer Compatibility: Compatible for most electric hammer systems, this wedges allows quick installation and removal without additional tool, ensuring a seamless user during operate Durability Spring Steel Construction: Made from premium spring steel, it enhanced wear resistance and compression strength, maintaining stable even in demanding environment while reducing replacement frequency High Hardness Splitting: This stone splitting wedges is crafted from high strength spring steel, specifically for rock splitting and demolition tasks, splitting efficiency on various hard stones with ease MultiFunctional Design: Combining drill bit, chisels, and splitting functions in a tool, it handles drilling, cutting, and splitting tasks, significantly improving work efficiency across multiple applications Wide Application Ranges: Ideal for professional quarrying, construction site, and stone art projects, solving various stone processing challenges from demolition to precisely carving with reliability results, Manufacturer: ERRORY