Diamond dry drill core kit for concrete without steel , brick and block wall , and other construction material. Drill without water. 5 pieces core bit and 6 pieces accessories . For UK market.

Designed for drilling wall such as brich,block,and abrasive concrete by handheld core drill or stand core drill.
 

Drill dry through block and brick in seconds.

Not recommended for concrete or hard materials.

9" drilling depth, come with standard 5/8"-11 threading, and easily attach to most hand-held drills.