Physics - Electricity - Variable Resistance Many thanks for checking out our website. Below are a list of our on-line products.   Copper wire KST/EI/1272   Eurika Wire KST/EI/1273   Resistance Coil KST/EI/1274 Resistance Coil KST/EI/1275   Water Circuit Board KST/EI/1276   Current Balance KST/EI/1277 Worcestor Current Balance KST/EI/1278   Wide Flat Solenoid KST/EI/1279   Worcestor Current Balance KST/EI/1280