Torsion spring into ham mould 2x10 - (241) https://www.kovo-janecek.cz/products/torsion-spring-into-ham-moulds-2x10-241/
Compressive spring into ham mould 3x28x80x10 - (239) https://www.kovo-janecek.cz/products/compressive-spring-info-ham-mould-3x28x80x10-239/