Based on this product's specifications, here are some alternatives and similar models
Replacement Blender Accessory for SENCOR STM 376x / 378x - SENCOR STX 019
Summary description:
SENCOR STX 019 is a replacement blender accessory compatible with SENCOR STM 376x and 378x series. Designed as a spare part for blending appliances, it restores or extends the functionality of the original blender unit. Use for food preparation tasks such as mixing, pureeing and chopping where the original accessory is worn or missing.