Description: As the sliding rheostat comes with adjustable feature, it plays the role of control circuit by changing its own resistance. The sliding rheostat can be used as a current regulator for research and demonstration in the physics class and scientific teaching. Made of ABS material, it is very durable. The length of the sliding rheostat is 15.5cm, the width is 5.5cm and the height is 3.5cm. It is suitable for laboratory, school, students, etc. Item Name: Sliding Rheostat Material: ABS Maximum Current: 2A, 2A, 2A, 1.5A Product Specifications: 5, 10, 20, 50 Features: Adjustable, Fine Workmanship, Easy to Use Size Details: 15.5cm x 5.5cm x 3.5cm/6.1" x 2.17" x 1.38" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Sliding Rheostat