/ Saws / PTA & Hand Saw Blades / Accessories for Diamond Hole Saws & Tile Drills / Accessories for Diamond Hole Saws & Tile Drills / DTDG01 We are sorry but the item (DTDG01 Tile Drill Guide) you are looking for is no longer available Please reach out to us at custsupport@starrett.com or call at 978-249-3551 for assistance. There is a newer version of this product available DTDG01 Tile Drill Guide Used in place of a pilot bit to eliminate hole saw walking and prevent damage to work surfaces.