The OX Maestro Metal 3 Core & Accessories Case is essential for DIY enthusiasts and professionals to add to their existing tool supplies. It has everything required to get started with dry core drilling as it features 3 dry cores and 6 accessories. What’s more is that this set is suitable for cutting most building materials including semi-engineering bricks, clay products and limestone aggregate concrete. Features 3 dry cores and 6 accessories Suitable for cutting most building materials Kit includes: 38mm, 52mm and 117mm dry cores, 1 x aluminium case, 1 x hex adaptor, 1 x SDS Adaptor, 1 x drift key, 1 x 12mm guide rod, 1 x 13mm a taper drill, 1 x 1/2 BSP 250mm solid extension +A taper