Spring ("Slinky") 75x110mm for wave demonstration

Wave Demonstration Spring, short fat 'slinky' spring only. 75x110mm DxL. Good quality and well tempered spring material, plated against corrosion. Stretches to about 10m long and is used to demonstrate longitudinal wave motion.
SKU: PA4260-002
POA

i h
*
*
*
*
*