Based on this product's specifications, here are some alternatives and similar models
Krause ladder stabilizer foot Stopa DO Stabilizatora 25 x 64 mm, single piece
Summary description:
Replacement stabilizer foot for Krause ladder stabilizer, model Stopa DO Stabilizatora, single piece measuring 25 x 64 mm. Designed to attach to stabilizer or ladder accessory parts to provide grip and protect contact surfaces. Suited for maintenance or repair of Krause Tribilo / Monto ladder systems where the original foot needs replacement.