Many of these are brand New..The # 1A 2A 3A 1B are all Butterfields and new so is #3B new but GTD brand..Some have some grinds in the shank area, to keep employees from stealing them.. The 1A 2A 3A 4A are the 1" x 14 tpi taps(3A is sold) and the 1B 2B 3B 4B are the 1" x 8 tpi.(sorry all the 1" x 8 taps are sold)The 4B looks used and someone made it into a bottoming tap. If you buy more than one the rest will have free shipping on them. If you have any questions about anything, just message me, I will respond quickly...I will ship right away