Based on this product's specifications, here are some alternatives and similar models
Blade set Glob RAMb hand saw blades 300 x 25 x 0.6 mm, 72 pcs (MPN 0502)
Summary description:
Set of Glob RAMb replacement hand-saw blades sized 300 x 25 x 0.6 mm, containing 72 pieces. Designed as consumable blades for manual sawing applications, these blades suit general cutting tasks where this length, width and thickness are required. Useful for workshop, construction and renovation work involving straight cuts in suitable materials.