Description: High quality material, durable and safe. Scentific Laboratory 5 Ohms 3Amps Sliding Rheostat Variable Resistor for Physical Electrical Experiment Equipment. Great for school teaching tools and lab supplies. Material: Iron Size: Approx. 16*6*5cm/6.30*2.36*1.97 inches Package Includes: 1 Piece Sliding Rheostat
