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7-piece Robust Line concrete drill bit set Silver Percussion Specifications Diameter: 5,0; 5,5; 6,0; 6,0; 7,0; 8,0; 10,0mm Working length: 50; 50; 60; 60; 60; 90; 90mm Total length: 85; 85; 100; 150; 150; 150; 150mm Set dimension(s): 197,0 x 87,5 x 23mm