Dewalt DWA56015 Multi Material Drill Bits Size:1/8" x 4-1/2" Mix with water for severity

Mix with water for severity of soil (See chart below)

Leaves nothing behind

When sealing the inside of planters

Fine 120 Grit

5" in Satin Brass has a 1/4" radius corner

Dewalt DWA56015 Multi Material Drill Bits Size:1/8" x 4-1/2" Mix with water for severityCarbide Split Point Tip for Maximum Sharpness Aggressive Flute Angles for Faster Drilling Speed No Spin Shank Eliminates Bit Slippage PRODUCT OVERVIEW With a carbide split point tip and aggressive flute angles, DEWALT Multiple Material Drill Bits deliver the power to easily drill through a range of materials without the need to change bits. A no spin shank helps to increase efficiency by eliminating bit slippage.