Features Switch on/off magnetic base to move at any time without reaction force, avoiding damage to the gauge and working desk The base is equipped with a permanent alloy magnet and a central locking mechanism with anti-loose springs Made of high quality carbon steel, durable to use Concise structure, easy to use and maintain, high sensitivity, stable and reliable Smooth universal arm can be fixed at any angle, easy and quick to use, widely used in mechanical correction and technical measurement Magnetic base holder also known as universal base holder is widely used in the machine manufacturing industry, which is also used in various scientific research institutions. It is an auxiliary tool for any general measurement and helps to increase precision and working efficiency. Features: Switch on/off magnetic base to move at any time without reaction force, avoiding damage to the gauge and working desk. The base is equipped with a permanent alloy magnet and a central locking mechanism with anti-loose springs. Made of high quality carbon steel, durable to use. Concise structure, easy to use and maintain, high sensitivity, stable and reliable. Smooth universal arm can be fixed at any angle, easy and quick to use, widely used in mechanical correction and technical measurement. Specification: Material: Carbon Steel Holding Force: Approx. 60kg Overall Height: 368mm/14.5inch Top Arm Length: Approx. 78mm / 3.1inch Bottom Arm Length: Approx. 135mm / 5.3inch Middle Arm Length: Approx. 110mm / 4.3inch Base Holder Size: Approx. 62x48x55mm/2.4x1.9x2.2inch Weight: Approx. 1370g / 48.3oz Package List: 1 x Universal Magnetic Base Holder Note: 1. When the switch turns ON, it turns on the magnetic function. 2. Due to the difference between the monitors and light effect, the picture may not reflect the actual color of the item. 3. Please allow 1-m error due to the manual measurement. Thanks for your understanding. Package List