It's also an excellent option for other hard materials

For bonding and filling of natural stone in a vertical position and for modeling corners and edges

Fuji Star Waterproof Silicone Carbide Velcro Backed Abrasive Paper Discs (Latex Impregnated) are for primary and sealer sanding with an orbital sander

After applying the rust inhibitor oil

place 2-3 drops of rust inhibitor oil (included with each Alpha® Pneumatic Tool) directly into the oil port of the pneumatic tool

Apexx ELEMENT Dry/Wet Core Bit 2-1/2" half face It's also an excellent optionApexx ELEMENT Dry Wet Core Bits are one of the most popular dry wet core bits in the US Canada Market.