/ 39-12 We are sorry but the item (39-12) 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. 3D CAD Files / Exploded Parts Diagram Login to see related product files. Or create an account. Similar items 37-12 Caliper, Inside, 12" Size and Capacity, Flat Leg