• Includes 28 leaves
• Locking device
• 0.25-2.50mm Range
• Leave Sizes: 0.25, 0.30, 0.35, 0.40, 0.45, 0.50, 0.55, 0.60, 0.65, 0.70, 0.75, 0.80, 0.85, 0.90
• Leave Sizes: 1, 1.10, 1.20, 1.25, 1.30, 1.40, 1.50, 1.60, 1.70, 1.75, 1.80, 1.90, 2, 2.50

The Starrett 156M Screw Pitch Gage includes locking device, 28 leaves, and 0.25-2.50mm range. 60 Deg Threads.