LOCKING DEVICE TO CHECK: Come with locking device, usually used to check whether the thread size is correct, more reliable
DURABLE STAINLESS STEEL: Metric imperial screw gauge is made of stainless steel material, strong, wear resistant, durable
WIDE APPLICABLE: 52 pieces of metric and inch specifications, possess wide application range, can measure various common screw thread specifications
USEFUL AND HELPFUL: Useful to check the tool angle when cutting threads on a metal lathe, check the angle on the thread cutting tool on the V of the gauge
SCALE: Adopt engraved scale, safe and reliable, does not damage the of the workpiece, does not deform the material, and has high processing accuracy