Wera 05135005001 851 1 rz sb classic bits for phillips screws 25mm pack of 2 wera 05135005001 these 1 4in hexagon drive bits from wera are designed for tough applications in trade and industry and are suitable for use with phillips screws these bits have a reduced diameter making them ideal for drywall applications wera 05135005001 851 1 rz sb classic bits for phillips screws 25mm pack of 2