Vevor's Diamond Wet & Dry Drilling Machine is suitable for a wide range of applications including plumbing, electrical, HVAC, and construction projects. It can tackle a variety of materials including concrete, brick, marble, and stone. This drill has a quick-insert water pipe connector for wet drilling, and the steel forged output shaft is rustproof for long-lasting durability. The drill accommodates up to 8" drill bits, and comes with an industrial-grade 4.25" core bit.