This set from Rolson includes 7 drill bits in a range of metric sizes, ideal for use with variable speed drills for drilling ceramic tiles, mirror and glass. * Made from nickel-plated carbon steel with carbide tips * Manufacturer's part 48902 Set includes 1 each of the following size bits: 3, 4, 5, 6, 8, 10 and 12mm. https://elecena.pl/product/27204353/rolson-48902-7pc-glass-amp-tile-drill-bit-set 2024-11-09 https://elecena.pl/product/27204353/rolson-48902-7pc-glass-amp-tile-drill-bit-set 2025-03-10 https://elecena.pl/product/27204353/rolson-48902-7pc-glass-amp-tile-drill-bit-set 2025-04-02 https://elecena.pl/product/27204353/rolson-48902-7pc-glass-amp-tile-drill-bit-set 2025-05-18