For your consideration, here is a Vintage Box of BD Monarch Milking Tubes, Self-Retaining, no. 7025, made by Becton, Dickinson and Company, Rutherford, New Jersey.

The box says a dozen. There are 6 in the box. They are in pretty nice shape. Some have a small tarnish spot on them. The box is worn and has spots on it. The lid and bottom have 2 split corners. Item pictured is the actual item up for sale and comes from a non-smoking household. (145.224b-.6hc)