Irwin 10501816 Masonry Drill Bit 4.5 x 85mmThis Irwin masonry drill bit is designed for use with cordless drills. It is suitable for drilling into masonry materials, offering a precise working length for effective performance.Features Suitable for cordless drills Designed for masonrySpecifications Brand: Irwin MPN: 10501816 EAN: 5709131000488 Diameter: 4.5mm Working Length: 85mm