LENOX 13-Piece Bi-Metal Hole Saw Kit for Wood and Metals - 1786647 13-piece LENOX bi-metal hole saw kit includes 9 hole saws, 2 arbors and 2 pilot bits. For wood and metal applications. Speed Slot plug removal system is easy to use. Non-binding coating provides faster cuts 10% taller than prior generation hole saws for a deeper cut. Split point pilot drill bit provides faster penetration and less walking on contact Non-binding coating provides faster cuts. Case included for convenient storage