As specialist in escalator parts, we can help you to decide and to be sure of the exact part you need. Sometimes customers don't have part number of the part, only pictures and escalator brand. No problem. We can afford some technical documents, dimensions, etc...,during our communication. And decide, with your final confirmation your exact parts of your need. Strong communication is one key of our success with our numerious customers. So, don't hesitate to ask question. We will help you.