Based on this product's specifications, here are some alternatives and similar models
Hot Wire Foam Cutter, Army Painter GameMaster
Summary description:
Hot Wire Foam Cutter by Army Painter (GameMaster) is a handheld tool for shaping and cutting foam model bases, scenery and terrain pieces. It uses a heated wire to produce clean cuts in polystyrene and similar foams, enabling precise trimming, contouring and detailing for hobby and tabletop modeling projects.