Dial Indicator Dovetail Arm Test Indicator Swivel Post Center Universal Support Height Gauge Holder Bar 6x70mm1Sturdy Test Indicator Holder: The test dial indicator holder is made of excellent metal material, with high strength, provide reliable support and stability for accurate measurements. 2Secure Grip: The universal dovetail clamp ensures a firm and secure grip on surfaces, providing stability and preventing any movement or slipping during testing and measuring. 3Accurate Alignment: The fixed center design of the indicator holder enables precise alignment and locating of the dial indicator, guaranteeing consistent and accurate measurements. 4Flexible Adjustment: The universal lever allows for easy adjustment of the position and angle of the dial indicator, providing flexibility and convenience in various testing scenarios. 5Convenient Storage Box: The included storage box allows for easy organization and safekeeping of the test indicator holder, preventing any damage or loss during transportation.