Features: Engineered with holding power and instant switches, this magnetic base holder ensures secure, swift attachment for dial indicators in mechanical setups without an adjustment arm. Sturdy plastic construction features a solid base and easy operation, combining portability with industrial stability. Ideal for mechanics, operators, and engineers requiring high-performance magnetic bases for measurement tools in workshops or production lines. Perfectly stabilizes dial indicators during equipment calibration or vertical/horizontal alignment tasks in automotive garages and manufacturing plants. The black oxide finish maintains professional aesthetics, making it a discreet yet powerful addition to any technical workspace toolkit. Specifications: Component: Plastic Size: 6.8 x 5 x 5.5 cm / 2.68 x 1.97 x 2.17 inches Package Includes: 1 pc Plastic Switch Note: 1. Please allow 1-2 cm errors due to manual measurement. Ensure you are comfortable with this before ordering. 2. Due to differences between monitor displays, the picture may not reflect the actual color.