Drilling a tank for and overflow system.

[Ncts]

Hello I have a 29g rectangle tank that I am setting up as a reef tank. I want it to be drilled to set up and overflow in the back corner of the tank. I will need to drill two holes and add in the barrier between the main tank and the overflow. Not sure if there is a kit that does this or do I have to get creative and do it myself. Any feedback or suggestions are greatly appreciated. Thanks

[NyteGTI]

checkout Glass Holes their kits include everything you'll need except the drill(holesaw, guide, overflow box, bulkheads)