--- product_id: 66703523 title: "Comma RO500 500ml Release Oil Aerosol" brand: "comma" price: "HK$243" currency: HKD in_stock: true reviews_count: 8 url: https://www.desertcart.hk/products/66703523-comma-ro500-500ml-release-oil-aerosol store_origin: HK region: Hong Kong --- # Precision aerosol delivery Graphite anti-rust shield Deep rust penetration Comma RO500 500ml Release Oil Aerosol **Brand:** comma **Price:** HK$243 **Availability:** ✅ In Stock ## Summary > 🛠️ Release the power of performance – never get stuck again! ## Quick Answers - **What is this?** Comma RO500 500ml Release Oil Aerosol by comma - **How much does it cost?** HK$243 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/66703523-comma-ro500-500ml-release-oil-aerosol) ## Best For - comma enthusiasts ## Why This Product - Trusted comma brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact 500ml Powerhouse:** Perfect size for workshop or on-the-go fixes - • **Trusted Heritage Since 1965:** UK-engineered quality with global acclaim - • **Long-Lasting Rust Protection:** Graphite formula guards against future corrosion - • **Precision Reach in Tight Spots:** Includes extra nozzle for hard-to-access areas - • **Unlock Rusted Components Instantly:** Penetrates deep to free stuck nuts and bolts fast ## Overview Comma RO500 Release Oil is a premium 500ml aerosol lubricant designed to penetrate rusted and corroded mechanical parts, freeing stuck components quickly. Infused with graphite, it provides lasting protection against rust and seizure. The pressurized can includes an extra nozzle for precise application in tight spaces. Trusted since 1965, Comma delivers professional-grade performance for vehicle and mechanical maintenance. ## Description Over time you start to notice those rusting, sticking or corroded components on you vehicle. There are so many products on the market claiming to be the ultimate cure for all sorts of automotive problems, but realistically if you bought them all you’d end up with a cupboard full of all sorts of sprays, lubricants and degreasers. But there is another option – Comma’s Release OilWith a can of Release Oil always on hand you have a real all-in-one solution to a multitude of problems. Release oil penetrates deep into rusted and corroded nuts, bolts and mechanical parts to release them fast. It also contains graphite to guard against future rusting and seizure. Easy application through the aerosol canister, which comes with an extra tube and nozzle for reaching into those little hard to reach nooks and crannies. Comma Oil and Chemicals was founded on a real ‘passion for performance’ in 1965 as a UK-based, independent oil 'blender'. Quickly establishing their products as being the first-choice supplier of engine oils to independent workshop mechanics in the UK, Comma has recently grown to distribute to more than 40 other countries around the world. Review: Good stuff and not available just anywhere. I shall always want to have some in stock. - This has helped with freeing off a seized 1933 engine. It was recommended by the manager of a Halfords car repair / service centre but it, curiously, not something which Halfords Retail stock!! Review: does what it says - Good results in freeing corroded nuts and bolts ## Features - Extremely flammable aerosol. - May cause drowsiness or dizziness. - Pressurised container: May burst if heated. - Repeated exposure may cause skin dryness or cracking. - Premium Product ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B003BPNQVG | | Best Sellers Rank | 242,617 in Automotive ( See Top 100 in Automotive ) 539 in Rust Converters & Rust Removers | | Brand | Comma | | Brand Name | Comma | | Container Type | Tube | | Customer Reviews | 4.6 out of 5 stars 31 Reviews | | Global Trade Identification Number | 05011846017607 | | Item Form | Oil | | Liquid Volume | 0.5 Litres | | Liquid volume | 0.5 Litres | | Manufacturer | Comma Oil & Chemicals Ltd. | | Material | Graphite | | Model Number | RO500 | | Package information | Tube | | Part Number | RO500 | | Recommended Uses For Product | Mechanical,Vehicle | | Recommended uses for product | Mechanical,Vehicle | | Specific Uses For Product | Rusting | | Specific uses for product | Rusting | | Unit Count | 500.0 millilitre | ## Product Details - **Material:** Graphite - **Brand:** Comma - **Package information:** Tube - **Liquid volume:** 0.5 Litres - **Recommended uses for product:** Mechanical,Vehicle ## Images ![Comma RO500 500ml Release Oil Aerosol - Image 1](https://m.media-amazon.com/images/I/61Cfc-pHMcL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good stuff and not available just anywhere. I shall always want to have some in stock. *by J***H on 2 July 2018* This has helped with freeing off a seized 1933 engine. It was recommended by the manager of a Halfords car repair / service centre but it, curiously, not something which Halfords Retail stock!! ### ⭐⭐⭐⭐⭐ does what it says *by F***E on 7 June 2019* Good results in freeing corroded nuts and bolts ### ⭐⭐⭐⭐ Great product. *by D***M on 16 July 2015* Purchased on the strength of other reviews primarily, and has turned out very well. It works! I had some old and totally immovable radiator valve nuts...but no longer! Fairly pungent when used in one's bedroom...the ball & chain was not happy...but a small price to pay methinks. Recommended. ## Frequently Bought Together - Comma RO500 Release Oil, 500 ml - Comma BF4ESP1L DOT 4 ESP 1L Synthetic Brake Fluid - Holts 3x Brake Cleaner Spray Vehicle Parts Cleaner Maintenance Cleaning Car Care Spray Can 600 ml 0131 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hk/products/66703523-comma-ro500-500ml-release-oil-aerosol](https://www.desertcart.hk/products/66703523-comma-ro500-500ml-release-oil-aerosol) --- *Product available on Desertcart Hong Kong* *Store origin: HK* *Last updated: 2026-08-20*