Starrett 236HD Rod Only for Combination Steel Rule Depth/Angle Gage Rod Only for Combination Steel Rule Depth/Angle Gage – Each

The head is graduated both left and right to 30°, 45° and 60°
One side of the base is cut out to permit easier and more accurate readings
The center of the head is recessed so that the tool will lay flat to permit more accurate measurements
A tempered rule that has been accurately machined divided, is smoothly fitted to the head and can be locked in position by a knurled nut