- This Unit Demonstrates the Expansion of metal with heat and its contraction when cooled. When a Ball or Ring on a handle is Heated, the ball will not pass through the Ring, but when cooled the ball passes through the Ring Freely.
- Total Length: 260mm, Ball Diameter 25mm.
- Premium Quality: Ring & Ball is made of high-grade construction all the way through, excellent build quality and proven reliability across the range.
- Designed for use in professional laboratories but is an ideal choice for science classrooms and household use.
- If you need custom order with different sizes/ design, please contact us.
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