/ A17-38 We are sorry but the item (A17-38) 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 There is a newer version of this product available A17-38E Locking Hole Saw Arbor, Extended Range Hole Saw arbor supplied with extended length 6.35mm (1/4") pilot drill.