L.S. Starrett 6 Screw Pitch Gage 60 Degree Threads 30 Leaves

• Pitch marked on leaf
• Narrow design of leaves permits checking of internal threads and external threads
• Steel case with folding leaves at both ends
• For determining the pitch of various threads
• Meets or exceeds accuracy and performance requirements of national and international standards and are traceable to the National Institute of Standards and Technology.