The Makita E-13605 is a set of SDS-Plus drill bits that includes 4 pieces, specially designed for drilling in concrete, bricks, and stone. It features optical centering for precise placement and an improved groove geometry for quick dust removal and efficient drilling performance. The set includes drill bits with sizes of 6 mm, 8 mm, 10 mm, and 12 mm, with a total length of 160 mm and a working length of 100 mm. They utilize a dual-cutter design coated with tungsten carbide and are compatible with SDS-Plus rotary hammers. The package includes a practical storage case with rotating holders for easy access.