With "Hook", this depth gauge is adequate for measurement of depth of hole without end.
By replacing the slider, the product can be used as SD-P type. (Dual scale)
"Standard type", Carl Mahr type depth gauge equipped with hook without jogging function.
With "Hook", this depth gauge is adequate for measurement of depth of hole without end.
By replacing the slider, the product can be used as SD-P type. (Dual scale)