I have used this product for many years. If you buy the tube pull the dasher rod out of the tube and unscrew it from the little mixer inside. Pop the plunger in the rod up with a pick and you can then measure out the amount you need separately from the rod which holds the catalyst and using a screwdriver handle to push the plastic plunger in the tube. Hope this helps Mike

Great Product. Covers well. Easy clean up with MEK.

I tested thinning the proseal with MEK to the consistency of thin soup and it cured indistinguishably from the undiluted proseal. The thinned proseal is much easier to apply in my opinion. Great product.

Gets the job done. Ready to go in 24 hrs.

Refrigerating the compound after mixing will extend the pot life. This stuff is messy but very effective.

Best stuff on the market its never cracked or shrunk on any of my builds and as always aircraft spruce shipped quickly

Bought this sealant to repair a leak in my fuel tank, worked perfectly.

very nice you have all range

Tip: Keep refrigerated after using....2 years and going strong!

WORKS GREAT BUT, EASE OF USE IS LESS THAN OPTIMAL.

The tubes of sealant are as always fantastic. However your kit is not complete without the screw in dispensing nozzle. !

I am rating aircraft spruce as I have not yet used the product. The product description and information on the web site was the same for kit, pint or quart. I thought I was buying 6 oz kit with a dispenser and two separate containers of sealant and hardener to be mixed (10/1) as needed for my project. What I got was a kit in a applicator that had to be mixed and used within 2 hour or wasted. The product may be good but totally inappropriate for my project (single use). I explained the problem and requested a return label twice last week but have had no response. This product plus shipping is just too expensive to just forget about it. I have ordered a Lodi from ACS and most of the time they have been good, but this time they did not live up to expectation.

I wanted a kit with one container with base and one with hardener so that I could measure out and mix small amounts to seal leaks, and then have material to do that again next time I found a leak. I got the single use tube that mixes inside the tube and has to be all used at one time. It would be nice if this site told you which you were getting. If they are all the single use tubes then you should remove the two container kit from the picture. Ive used Pro-seal before and it worked well so this is not a complaint about Pro-seal.