BX10 Diamond Cores are Faster, Longer Life GUARANTEED! For drilling brick/concrete blocks. Suitable for most building materials including semi-engineering bricks, clay products, limestone and aggregate concrete. 10mm Diamond segment height. Helix barrel dust removal. Rapid & clean cut. Angled slots extend through back end to expel dust. Immediate 100% surface cutting segment design. If blunting occurs, core bit can be resharpened by running in a soft, abrasive material such as mortar, sandstone, or soft breeze block. BSP female thread back end. Technical data: Colour – Blue Diameter – 32mm Length – 150mm Brand – OX.