Top 10 Best knocker loose in 2026

Main highlights

• •Trusted Name in The Penetrating Oils – Kroil Original Penetrating Oil from Kano Laboratories has a strong reputation among professionals as the trusted penetrating oil for any industry
• •Penetrates Faster and Deeper – Tight spaces are no problem for Kroil. It penetrates small openings, threads and crevices. So, whether you’re dealing with seized bolts, dirt bike motorcycle chains, rusty old door hinges, or stubborn garage door rollers, Kroil isn’t afraid to get in tight spots and get dirty
• •Simplifies Repairs, Magnifies Muscle – When tackling the toughest nuts and bolts, any additional leverage helps. Kroil loosens tough rusted parts fast, and requires less torque to loosen seized nuts and bolts. Now that’s leverage!
• •Attacks Corrosion, Removes Rust and Carbon Deposits – Corrosion meets its match, as Kroil removes and prevents rust, cleans carbon deposits and penetrates rusty parts. Kroil also displaces moisture, humidity and salt water, which makes it perfect for wet, humid environments
• •Made in the USA with Global Packaging – Kroil brand and Kano Laboratories were founded in Chicago, Illinois, USA in 1939 by Thomas J. O’Kane. Now located in Nashville, Tennessee, USA, we take pride in employing American workers to produce the highest quality penetrants right here in the USA

Main highlights

• •Advanced Rust Penetration: Our cutting-edge lubricant formula seeks out and dissolves rust at the molecular level, eating away the corrosion that binds parts together. Free All works on a wide range of applications, from rusted pipe connections to machine screws and universal joints.
• •Multi-Surface Safe: Free All’s silicone-free formula ensures safety in body shops and painted environments. It won’t ruin plastic or delicate finishes, making it perfect for automotive and industrial use. You can spray with confidence knowing your workspace and tools are protected.
• •Effortless Application: Stop wasting time torching, drilling, hammering, or chiseling. Free All eliminates the need for brute force, allowing you to save time and reduce frustration. Simply spray, wait a moment for it to work, and enjoy the satisfaction of freed parts.
• •Unmatched Versatility: Free All Lubricant isn’t limited to one industry. Whether you’re working on cars, boats, farm equipment, or industrial machinery, this product has you covered. From rusted mufflers and tailpipes to stubborn clamps and locks, Free All is your go-to solution.
• •Precision Spray Technology: The 11 oz aerosol can is equipped with a precision spray nozzle, delivering pinpoint accuracy to target rust in hard-to-reach places. This makes it perfect for intricate tasks where traditional rust removers fail to perform.

Main highlights

• •CRC INDUSTRIES: A market leader that offers impeccably designed chemical solutions to maintain, protect and repair different marine, heavy-duty motor vehicles, industrial-grade engines, household tools and electrical equipment.
• •PENETRATING SOLVENT: A unique penetrant that immediately drops the temperature of the area in contact with the spray. The freeze shock action cracks rusted surfaces, allowing it to reach deeper and work more effectively than other penetrants.
• •UNIQUE FORMULA: Knock’er Loose offers a 50-state compliant formula that provides great performance in easing the disassembly of tools, automobile engines, plant machinery, and other equipment for routine maintenance.
• •APPLICATIONS: Knock’er Loose works effectively to dissolve and loosen rust and corrosion from couplings, bolts, fittings, locks, washers, sliding mechanisms, hinges, bushings, nuts, and other frozen components.
• •PRODUCT SPECIFICATIONS: Knock'er Loose is available in an 11.5 wt. oz aerosol can.

Main highlights

• •HIGH PERFORMANCE: Lubri-Cut Cutting Paste for Metal Drilling is a beeswax-based cutting lubricant with a proprietary blend of cutting oils that enhances precision, extends tool life, and improves surface finish. A superior alternative to cutting fluid, it works for drilling, tapping, sawing, milling, and tight-tolerance machining
• •SAFE & ECO-FRIENDLY: Lubri-Cut cutting paste is 100% sustainable, made from a biodegradable beeswax-based formula with no chlorine or harmful chemicals. It reduces misting, waste, and energy consumption, ensuring a safer, cleaner workspace while eliminating disposal upcharges, ideal for eco-conscious workshops
• •APPLICATION: Lubri-Cut cutting wax applies directly to drill bits, saw blades, and machining tools, providing superior lubrication. Unlike metal cutting oil, it enhances high-speed, precision machining, ensuring smoother performance for CNC machines, industrial shops, and home workshops
• •EASY TO USE: Lubri-Cut cutting paste’s thicker viscosity clings to tools without dripping, making it easier to apply than liquid thread cutting oil. Simply dip the tool into the paste - no pouring or excess waste. Cleans up quickly with a spatula or rag, leaving no sticky residue or buildup
• •MADE IN AMERICA: Lubri-Cut cutting paste is proudly made in the USA, ensuring premium quality for saw blade and drill bit lubrication. Its chlorine-free, low-odor, and anti-misting formula offers a safer, cleaner, and eco-friendly solution for metalworking, with no disposal upcharges

Main highlights

• •K&W SEALANTS & SOLUTIONS: From head gaskets and engine blocks to automatic transmissions and power steering, K&W products are made to stop leakage in aging vehicles. Our sealants provide an effective alternative to costly repairs and parts replacements.
• •KNOCK'ER LOOSE: A super-fast penetrant that attacks corrosion to free rusted and corroded fasteners and components. Powerful, concentrated formula penetrates and leaves behind a long-lasting lubricant that will help prevent future corrosion.
• •TECHNICIAN GRADE FORMULA: Knock’er Loose offers great performance and eases the disassembly of tools, car engines, plant machinery, and other equipment for routine maintenance.
• •APPLICATIONS: Knock’er Loose works effectively to dissolve and loosen rust and corrosion from couplings, bolts, fittings, locks, washers, sliding mechanisms, hinges, bushings, nuts, and other frozen components.
• •PRODUCT SPECIFICATIONS: Knock'er Loose is available in a 18 wt. oz. aerosol can

Main highlights

Main highlights

• •CRC INDUSTRIES: A market leader that offers impeccably designed chemical solutions to maintain, protect and repair different marine, heavy-duty motor vehicles, industrial-grade engines, household tools, and electrical equipment
• •PENETRATING SOLVENT: Our penetrant is a super-fast, powerful, and concentrated solvent for attacking corrosion to free corroded fasteners and other seized mechanical components.
• •QUALITY FORMULA: This penetrating oil works effectively and instantly, even in minute and tightly fitted crevices. It has a petroleum distillate base and is safe to use on all plastics.
• •APPLICATIONS: The penetrating solution is ideal for nuts and bolts, pins, screws, bushings, clips, hinges, snaps, lugs, caps, locks, washers, and sliding mechanisms.
• •PRODUCT SPECIFICATIONS: Screwloose Super Penetrant is available in an 11 wt oz. aerosol can.

Main highlights

• •Freeze shock action cracks rusted surfaces allowing product to reach deeper and work more effectively
• •Loosens frozen metal parts
• •Volatile organic compounds (VOC) compliant
• •NSF H2 registered for use in meat and poultry plants
• •360 degree spray value - can be prayed from the up or down position

Main highlights