F1 use 304 stainless steel, M1 use 2cr13 stainless steel. M1 are with adjust bar (at the bottom of the weights), F1 are without.Buyers are responsible for these charges. B, If you can not ensure it. Do not share any information with third party. If you have a question or concern before or after receiving your item, please do not hesitate to contact our customer service team by clicking on the. Link in the bottom left. Your satisfaction is the most important thing we pursue. The item "F1 Grade 1kg-5kg Precision Stainless Steel Scale Calibration Weight Kit Set my#" is in sale since Tuesday, July 30, 2019. This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Medical/Lab Equipment Attachments & Accessories\Calibration Weights". The seller is "tech_greatdeals17_7" and is located in ShenZhen.
This item can be shipped to United States, all countries in Europe, all countries in continental Asia, Canada, Mexico, Australia.