How to choose a good line mouth two Accuracy of a scale of 1 inner hole: fine processing and manufacturing line mouth, its inner hole accuracy can be controlled within 0.01mm, if the internal pore scale greatly small, is a disaster for the users to do, break phenomenon often occurs, or even the winding inter turn insulation failure or short of it is not hard to explain why. 2 installation scale precision: according to the consistency of loading scale is necessary, if a large and difficult to fit into the equipment fixture, small it is easy to fall from the fixture and influence the adjustment precision. For details please visit our official website: www.www.pk-kicks.com Source: www.www.pk-kicks.com (reproduced please specify the reproduced source)