This is brand NEW in the box...The part number on the box doesn't match the tool so go off the part numbers shown on the tool.I'm not sure if it's a CAT 40 tool, so, if you want me to measure it, just message me and I will do that...(OK I just did that)..Big side of the taper 1.750" and small side 1.00"..Is that right for Cat -40 ?..Any goofy stains on it are not rust,..just stains..I'm going to lube it up and wrap in plastic..It will be shipped right away correctly.