C-K-Brick-Drill-Bit-Set-5-CK-Tools-T3072A-Roll-forged-drill-bit-with-Tungsten-Carbide-Tip-Tip-geometry-&-flute-configuration-optimised-for-fast-&-accurate-drilling-of-brick-type-materials-Supplied-in-a-convenient-storage-case-Sizes-4-5-5-6-5-7-8mm-C-k-Brick-Drill-Bit-Set-5