Stucco Plywood Tungsten Carbide Teeth (TCT) hole saw • 8mm carbide tipped pilot bit • 2-1/8" cutting depth • Ejection spring for fast plug removal • Cutting teeth engineered to cut stucco, fiberglass, Hardie cement board, engineered woods (OSB and plywood), hard or composite plastic • Can be used with Hole Pro XL Arbor and XL Shield Kit (HP1168-71) for dust protection.