Llmabrich has been designing, engineering and manufacturing drill chucks and machine tools accessories since 1957. Llambrich has been the pioneer and inventor of the precision keyless chuck the guarantees the lowest run-out fo concentricity since 1983. All high performance drill chucks come with a certificate of inspection that guarantees a maximum run-out if 0.0012" (valid for Hexa chucks only). All chucks are precision tested and certified. Inspections for concentricity are performed adhering to the most demanding standing in the metalworking industry.