Drilling for multiple range sizes. The tolerance of the groove for the fixing component is ±0.1 - 0.2 mm. 1PCS Drill Guide Jig Punching Hole Locator. And you can adjust how tightly the round bar is clamped by turning the compression screw.
This product would be ideal for professionals conducting coaxial and through holes drilling, such as contractors, engineers, and excavation specialists, requiring a precise borehole positioning locator.
