Fourteen ID sizes from 0.026” to 0.090” and twenty-two OD sizes from 0.072” to 7/16” (2 to 11mm).

Use both the ID and OD calibrations to correctly determine tube size. Place tube in “V” slot to measure OD, pin gauge measures ID.

The capillary tube file is designed to cut and open the tube by filing a notch around the tubing at desired cutting point. Simply snap the tube at the notch and clean burrs with the special file tip.