Based on this product's specifications, here are some alternatives and similar models
Multifunction tool cutter attachment Fein 63502160210 — bimetal 50×35 mm for plasterboard, plastic, wood
Summary description:
Fein 63502160210 is a multifunction tool cutter attachment made of bimetal, sized 50 mm × 35 mm. Designed for cutting plasterboard, plastic and wood, it fits compatible Fein multi‑tools to perform precise plunge and trim cuts. Supplied as a single piece, it offers durability of bimetal construction and practical versatility for renovation, trimming and repair tasks.