HHIP8030-8355 Dykem Hi-Spot Blue, .55 oz. Tube

This stuff is great for finding high spots between fitted parts -- which of course is what it's made for. I found its results clearer than when fitting with Prussian blue. I used it to fit an Ed Brown pistol barrel to a 1911 pistol. The barrels are machined slightly oversize to accomodate fitting into 1911s from different manufacturers, so finding the high spots and filing them was part of the installation. They recommended using a black marker, assembling, and looking for removed marker. I couldn't get the fit until I used Hi-Spot Blue, which made finding the high spots easy.My only complaint is that for a tinkerer like me, this is a two-lifetime's supply. (Since it is non-drying, it will probably be fine at the estate sale.) I'd like a small container about one quarter as large. Working machinists swear by this stuff, and would probably go through a couple of tubes a year.

Nice blue for my projects

Been using this stuff for years. Works very well, but wouldn’t mind a less messy container.

Did think you could still get this on the market.Well done.

i was trying to fit a stock to an action and i didnt know what was holding things up. put some on a few suspect areas and it let me know real quick that i needed to grind in these exact supot. time saver, but it is messy. so wear gloves !!

Been around forever because it works. Great stuff to work with and always constant.

Works exactly as it should. Just don’t do what I did and squeeze on the tube while poking a hole in the top….quick way to make a mess. Completely operator error.

Does just what you expect hi-spot blue to do. Invaluable for achieving good machined fits or evaluating a surface finish.