Features [Universal Turn Signal Holder] This turn signal holder is designed for mounting dovetail mount turn signals, providing a versatile solution for various applications. [Swivel Joint] Equipped with a swivel joint with a knurled clamping ring, this holder allows for easy adjustment of the indicator, ensuring precise measurements. [Easy Installation] This dovetail indicator holder can be easily mounted in a chuck or height gauge, providing a stable and reliable platform for accurate testing. [Premium Material] Made of high quality steel, this display arm is sturdy and stable, ensuring long-lasting performance in demanding industrial environments. [Easy to Use] Simply adjust the holder to your dial gauge and attach it. The 8 x 70 mm size ensures compatibility with most dial indicators. Specification: Item Type: Dial Indicator Holder Material: steel Size: approx. 8 x 70 mm/0.31 x 2.76 inches Package list: 1 x dial indicator holder 1 x Storage Box Package List 1 x Dial Test Indicator Holder 1 x Storage Box