Features: Premium Test Indicator Holder ensures precise alignment and stable positioning for accurate measurements in mechanical testing applications. Constructed from metal with a fixed center design and swivel joint, this indicator extension rod securely grip surfaces via its dovetail clamp mechanism. Ideal for machinists, quality control engineers, and automotive professional requiring reliable measurement tool stabilization during equipment calibration or part inspection. Perfect for workshop environments, industrial maintenance tasks, and automotive diagnostics where vibrations resistant tool positioning is critical for repeatable accuracy. Maintaining its calibration ready condition for immediate deployment. Specifications: Component: Iron Size: 2 pattern optional 6x70mm/0.24x2.76in 8x70mm/0.31x2.76in Package Includes: 1pc Dovetail Indicator Holder note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.