The joblot is for 15 core drill diamond cut bits, consisting of 9 x 48mm and 6 x 52mm sizes. Manufactured by the brand Hardman, these drill bits are suitable for both corded and cordless drills. With a diameter of 48mm and 52mm these high-quality drill bits are perfect for a variety of drilling tasks, providing precision and efficiency in cutting through materials with ease. Ideal for professionals and DIY enthusiasts alike, these drill bits offer durability and reliability for all your drilling needs.