Features: Engineered with holding power and instants switches, this magnetic base holders bed ensures secure, swifts attachment for dials indicators in mechanical setups without adjustment arm. Sturdy plastic construction features sturdy base and easy operations, combining portability with industrial stability. Ideal for mechanics, operators, and engineers requiring high performances magnetic bases for measurement tool in workshops or production lines. Perfectly stabilizes dials indicators during equipment calibration, or vertical/horizontal alignment tasks in automotive garages and manufacturing plant. The black oxidation finished while maintaining professional aesthetics, making it a discreets yet powerful addition to any technical workspaces toolkit. Specifications: Component: Plastic Size: 6.8x5x5.50cm/2.68x1.97x2.17inch Package Includes: 1pc Plastic Switches note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.