products description: 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. There is a cylinder with a bar-shaped permanent magnet inside it. And the position of the outer base is a soft magnetic material, which is a kind of ferrite material that is easy to magnetize or demagnetize in the weak magnetic field. Feature: 1. Switch on/off magnetic base to move at any time without force, avoiding damage to the gauge and working desk. 2. The base is equipped with a permanent alloy magnet and a central locking mechanism with anti-loose springs. 3. Made of highly wearproof alloy steel, the shell is chrome-plated to achieve rust-proof, durable and beautiful results. 4. Concise structure, easy to use and maintain, high sensitivity, stable and reliable. 5. Flexible arm can be fixed at any angle, easy and quick to use, widely used in mechanical correction and technical measurement. Spec: Material: alloy steel Color: gold Overall Height: 33.6cm/13.22in Base Holder Size(L W H): Approx. 60x50x55mm/2.36x1.97x2.17in Weight: Approx. 445g Package Includes: 1 x Universal Magnetic Base Holder (Base is NOT included) Notice: 1. Due to the difference between the monitors and light effect, the picture may not reflect the actual color of the item. 2. Please allow 1-3mm error due to the manual measurement. Thanks for your understanding.