Milwaukee 49-56-7250 - Large Thread Quick Change Arbor, 3/8" Shank Ingersoll Rand Tool-less blade change: No

Tool-less blade change: No

and a tank drain valve that supersedes standard petcock design for easier maintenance

cartridge style containers

It's also great for creating custom built-ins

Milwaukee 49-56-7250 - Large Thread Quick Change Arbor, 3/8" Shank Ingersoll Rand Tool-less blade change: NoMilwaukee Carbide grit hole saws are designed for cutting abrasive materials such as brick, block, cement board, fiberglass and tile. Use a Carbide tipped pilot bit when cutting ceramic tile, brick, and other abrasive materials. Features Durable hardened steel construction Fits all hole saws 1 1 4 in. and larger Fits all drill chucks 3 8 in. and larger Designed for cutting abrasive materials such as brick, block, cement board, fiberglass and tile Tool