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Our on-line store is open 24/7 and we ship Monday through Friday, excluding some holidays. Orders received for products without shipping restrictions on its product page will ship the same business day when received before 12:00 p.m. PST. Orders in high demand will have an estimated production time listed on its product page and will ship according to the date listed.
Something as simple as rust and corrosion on nuts and bolts can make an easy job feel impossible. Now you can loosen rusted bolts quickly, with CRC Knock’er Loose® Penetrating Solvent. Knock’er Loose® can make any job go faster by loosening seized or bound fasteners, allowing you to remove them without extra effort or stress. Read 'More Information' to learn about how Knock’er Loose® can help you remove rust and even prevent it from returning.
Applications
Nuts and Bolts
Pins
Screws
Bushings
Clips
Hinges
Snaps
Lugs
Caps
Locks
Washers
Sliding Mechanisms
We are a Seattle, WA based outdoor gear store with a mission to make climbing, backpacking, skiing & mountaineering accessible and enjoyable for everyone.
© 2026, Master Store
