/ 74A-6 We are sorry but the item (74A-6) 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 73A-6 Yankee Spring-Type Calipers, Inside, 6" Size and Capacity, Solid Nut, Flat Leg