Advantages: Quadruple, solid, durable carbide alloy - long service life. Uniquely shaped winding - efficient dust removal, strong drill construction. The strap is designed to keep vibration to a minimum and work comfortable. PGM certificate - the hole is always of the same diameter and geometry, the pin will meet the tensile and shear forces set at the factory. four tip disassembly tips ensure quick and easy drilling. The tool is used for: Drilling reinforced concrete. For concrete drilling.