when you write the specification sheet, SOP or BOM list. It has to be as accurate as you can. one point of view that it will not affect the product in a negative way, which I agree with you for this product only. However, if you manufacture other product that can be used for different application or you will market that for a different market. the customer would like to have all the right accurate information about the product. From my experience in an Industrial flash and storage business, one product may work with one machine, not the other due to one of the major build component. in case of our mini-simulation, the coefficient of friction was an important factor to help the catheter to slide all the way up to the brain. Also, even it doesn’t affect the final product, the company will be reliable for any wrong information listed in such a document. It’s better to be safe than sorry.