This 10 piece segmented diamond hole saw set is designed for dry drilling in stone, bricks, blocks, concrete and other mineral materials. The set includes hole saws in sizes 40, 60, 80, 100 and 120 mm, as well as SDS Plus, SDS Max and Hex adapters, a pilot drill and an extension rod. Everything is packed in a durable aluminium carrying case for easy transport and storage. The hole saws have an M20 connection thread and a drilling depth of 170 mm, making them ideal for demanding installation and renovation tasks. This set offers excellent versatility for both professional users and advanced DIY applications.