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Your cart is empty.CRC Knock'er Loose plus is a unique penetrant that immediately drops the temperature of the area in contact with the spray. The freeze shock action cracks rusted surfaces allowing Knock'er Loose Plus to penetrate quicker, reach deeper and work more effectively than other penetrants. Knock'er Loose plus quickly permeates rust, scale, gum, grease and corrosion with a low surface tension formula that creeps into cracks, seams, threads and joints with greater efficacy than the competition. Knock'er Loose plus eases the disassembly of plant machinery, tools and equipment for routine maintenance and emergency repairs. Its super penetrating formula outperforms the competition in penetration, speed and corrosion resistance. Recommended for use on nuts and bolts, pins, screws, bushings, clips, hinges, snaps, lugs, caps, locks, washers and sliding mechanisms.
Fern
Reviewed in the United States on February 9, 2025
Not really what I expected, the color of the liquid makes you think it's working but not it's just the rust colored liquid!
Pyarsay
Reviewed in the United States on April 12, 2025
used to remove some stubborn nolts and worked great
Don McIntyre
Reviewed in the United States on May 7, 2024
Had an aluminum alloy nut on a stainless screw that was stuck without having been force yet. A few small squirts of this and it came off without real trouble or destroying the threads on either side.
pascal46
Reviewed in the United States on March 21, 2024
For hard to losten rusty bolts
Den M
Reviewed in the United States on November 4, 2024
I've used other name brands, but nothing comes close to this stuff!!
Walt
Reviewed in the United States on October 20, 2024
The old man down the street use to say "Knocker Loose boys"
Paul C
Reviewed in the United States on May 26, 2021
I bought a John Deere 955 tractor that was not running. When I cracked the injector lines to see if diesel was getting through the injection pump, I found that two of the three plungers in the injector pump were stuck and the fuel shutoff was also stuck. I soaked them all in Knock'Er Loose Plus. A day later, with a little tap on a wooden dowel and repeated soakings, the tractor runs like a top! This stuff saved me $750 for an injection pump rebuild.
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