433-30214 Features: -Last up to 10 times longer than standard hole saws. -Resist wear and heat caused by friction better than traditional hole saws. -Applicable Materials: Ceramics, Fiberglass, Most Metals, Plastic. -Quantity: 1 per box. Use: -Hole Saws. Generic Dimensions: -Cutting Depth: 1 1/2 in. Dimensions: Overall Product Weight: -0.11 Pounds.