- Blue cast iron base with rod and needle for holding loops
- Open loop dimensions: Inner Diameter 1.82in/ Outer Diameter 1.98in
- Closed loop dimensions: Inner Diameter 1.82in/ Outer Diameter 1.98in
- Aluminum loops
- Loops connected by straight bar with groove for placement on needle
The Lenz' Law apparatus with both open and closed loops is effective for studying and demonstrating both Lenz' Law and Faraday's Law.