Depth Attachment for 6", 8", & 9" Dial & Electronic Calipers
The Starrett PT22431 is a depth attachment for 6", 8", and 9" dial and electronic calipers. It connects to the depth rod end of the tool and provides a base for spanning holes. Depth base allows for perpendicular entry into the hole or groove, ensuring accuracy. The PT22431 attaches by tightening a screw and removes easily when finished.