Description: 【Product Type】: This is a 200Ohm 1.25A sliding rheostat, fit for adjusting resistance and altering current and voltage in physics and electrical experiments 【Material】: The sliding rheostat is made of sturdy pp and metal materials, ensuring its longevity and reliability in various experimental conditions 【Product Dimensions】: With dimensions of 21*5*9cm, this compact device can easily fit into your experimental setup without taking up too much space 【Packaging Details】: Each package contains 1 slide rheostat, easy to use,ready for your Physical Experiment 【Versatile Use】: Ideal for educational purposes or professional lab settings, this adjustable resistor is an important tool for anyone studying or working with electricity and physics Specification: Material: PP,Metal Size Chart: 21cmx5cmx9cm/8.27inchx1.97inchx3.54inch Package Includes: 1 Sliding Rheostat Note: Please allow slightly errors due to manual measurement and different monitors.