Starrett Screw Pitch Gauge, 4 to 80 TPI Measuring, 28 Leaves, 60 deg Thread, Steel, 2-25/64 in L x 41/64 in W x 37/64 in THK Dimensions

ITEM FEATURES:

• Includes a substantial steel case with a number of folding leaves at both ends
• With locking device and 11-1/2 and 27 pipe thread pitches