Slider with setting for heat expansion

For one-sided locking of two tubes for thermal expansion, for quantitative demonstration of the linear expansion of solid materials;
Slider with block with two holes for holding two tubes for thermal expansion, lateral locking screws on the block, locking screw on the rider
Dimensions: approx. 30 x 54 x 46 mm (without screw)
Mass: approx. 83 g