【 PRACTICAL MAGNETIC BASE HOLDER 】 - Switch on/off to move the base without reaction force, avoiding damaging the gauge and working desk. 【 PERMANENT MAGNET COMPONENT 】 - The magnetic base holder is equipped with a permanent magnet, convenient to holding lever indicator on a machine tool. 【 FLEXIBLE MAGNETIC BASE HOLDER 】 - This magnetic base holder with flexible arm can be fixed at any angle, easy and quick to use. 【 SIMPLY DESIGN AND EASILY USED 】 - This magnetic base holder with simple structure, easy to use and maintain. 【 HIGH QUALITY FLEXIBLE MAGNETIC BASE 】 - Lever dial test indicator is designed to measure variations in narrow or recessed areas.