Set include following sizes: 6mm (1/4), 10mm (3/8), 13mm (1/2), 16mm (5/8), 19mm (3/4). HSS steel provides for a few-fold faster drilling in stainless steel, construction steel and aluminium. HEX ¼ʺ chuck provides for the possibility of mounting in battery screwdrivers and impact wrenches.
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