1 1/2" Brass Plated O-ringspackage of 50welded brass plated measure 1 1/2" inches (inside measurement) gauge is 6.2 MMIf you are looking for larger sizes, quantity or have questions regarding these items or other products feel free to email me.
All hardware is measured by the inside.
Please note that I cross the border to ship in the United States from Michigan using USPS. Fellow Canadian/International orders are shipped using Canada Post.
All the hardware sold is measured by the inside of the ring, buckle or square. If you are unsure if the item will be what you are needing please contact me first. I will be more than happy to answer any questions to assist you. I would rather you find out that the item may not be right for you then have to return/refund after the fact.