Compared with the original, Paddle Attachments: Made of durable stainless steel, no coating which is rustproof and easy to clean. Food safe and high quality. Efficient: Paddle Attachments effectively reduce the kneading time and are fast and efficient.saving you both the time and effort of hand kneading. Perfect for: Mixing and kneading bread doughs, pizza dough, pasta dough, yeast dough, noodle dough, cookie dough, pie dough, etc Note: Compatible with almost all KitchenAid 4.5qt and 5qt tilt-head stand mixers. You can locate your model on the bottom of the mixer, and for a detailed list of compatible models, please refer to our compatibility list on the webpage. If you not satisfied with the item, Please contact qAp quality art Practica Service Team. Thank you.