| Product Code | Particulars |
| VHT1031/1 | All Iron |
| VHT1031/2 | Iron & Brass |
| VHT1031/3 | Iron & Copper |
| VHT1031/4 | Brass & Copper |
They are 30 cms long strips of two different metals riveted together end to end, as thermal expansion of two material is unequal, the strips will bend when heated, provided with wooden handle. These strips are used to show the differential expansion of metals in a bimetallic strip.
| Product Code | Particulars |
| VHT1031/1 | All Iron |
| VHT1031/2 | Iron & Brass |
| VHT1031/3 | Iron & Copper |
| VHT1031/4 | Brass & Copper |