Description

This Boley style jewelers sliding gauge gives quick measurements of inside or outside diameters in millimeters. You can even measure mounted stones! Made of stainless steel it can measure 0-100mm; features knurled locking screw, notched jaws and Vernier gauge.

• Made of stainless steel
• Notched jaws for inside/ outside measurements
• Can measure mounted stones
• Locking screw and thumb slide
• 0-100mm Vernier gauge
• Size: 5-3/4″ inches (145mm)