This 17-piece plumber's set includes 11 bi-metal hole saw cups, providing versatility for various plumbing applications. The set comes with two SnapLock PLUS™ mandrels, ensuring quick and easy changes between saws. Additionally, it includes two pilot bits and two adapter nuts for 1/2-inch and 5/8-inch sizes, enhancing its functionality. Made from durable bi-metal material, these hole saws are built to withstand tough jobs while delivering precise cuts.