{"product_id":"proven-industries-trailer-coupler-lock-2-inch-heavy-duty-anti-theft-hitch-lock-with-stainless-pin","title":"Proven Industries Trailer Coupler Lock 2-Inch Heavy-Duty Anti-Theft Hitch Lock with Stainless Pin","description":"\u003cstrong\u003eProven Locks S175 is a heavy-duty 2-inch coupler lock that secures your trailer, boat, or RV by blocking the hitch and preventing unauthorized towing.\u003c\/strong\u003e\n\nProtecting trailers and towable gear starts with a visible, mechanically robust hitch lock. The Proven Locks S175 is engineered to fit select 2-inch trailer couplers and combines a stainless-steel locking pin with a ductile-iron body to resist cutting, prying, and tampering. A black powder-coated exterior improves weather resistance and hides scratches from everyday use while an exclusive key system reduces the risk of lock picking and unauthorized key duplication.\n\n\u003ch3\u003eHow does the S175 stop thieves from towing my trailer?\u003c\/h3\u003e\n\u003cp\u003eThe S175 physically blocks the coupler from engaging a hitch ball and uses a thick stainless-steel pin secured inside a ductile-iron housing to resist force. The coated exterior helps prevent hand tools from gaining purchase, and the shape is designed to deny crowbars and bolt cutters effective leverage.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSolid stainless-steel locking pin resistant to bending and sawing\u003c\/li\u003e\n  \u003cli\u003eDuctile-iron shell disperses impact force\u003c\/li\u003e\n  \u003cli\u003eLow-profile shape reduces leverage points for prying\u003c\/li\u003e\n  \u003cli\u003eBlack powder-coat for corrosion protection and durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this lock fit my trailer or boat coupler?\u003c\/h3\u003e\n\u003cp\u003eThe Proven Locks S175 is crafted specifically for standard 2-inch trailer couplers—check your coupler measurements before purchasing. It is tailored to mount securely on compatible coupler shapes; mismatched sizes or nonstandard couplers may not provide a correct fit.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for 2-inch diameter coupler openings\u003c\/li\u003e\n  \u003cli\u003eNot universal—verify your trailer coupler dimensions\u003c\/li\u003e\n  \u003cli\u003eWorks with most common trailers, boats, and small RV tow couplers that match size\u003c\/li\u003e\n  \u003cli\u003eInstallation requires aligning the lock with the coupler latch and engaging the locking pin\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow secure is the key and locking mechanism?\u003c\/h3\u003e\n\u003cp\u003eThe S175 uses a unique key profile and an internal locking design to make picking and unauthorized duplication difficult. The keyway and internal components are configured to reduce common attack methods; still, no mechanical lock is completely impervious, so it should be one layer in a broader security approach.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUnique key design reduces ease of picking\u003c\/li\u003e\n  \u003cli\u003eInternal locking mechanism prevents simple key copying\u003c\/li\u003e\n  \u003cli\u003eDurable components designed for regular outdoor use\u003c\/li\u003e\n  \u003cli\u003eStore spare keys securely and restrict access to trusted users\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the S175 hold up outdoors and with regular use?\u003c\/h3\u003e\n\u003cp\u003eThe lock’s materials and finish prioritize corrosion resistance and wear tolerance for trailer and marine use. The stainless-steel pin resists rust while the powder-coated ductile-iron exterior protects against chips and surface corrosion from road debris and salt spray.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStainless-steel pin resists corrosion and retains strength\u003c\/li\u003e\n  \u003cli\u003ePowder-coated body reduces surface rust and wear\u003c\/li\u003e\n  \u003cli\u003eRobust construction stands up to roadside knocks and routine handling\u003c\/li\u003e\n  \u003cli\u003ePeriodic lubrication of the keyway extends service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\nWho is this for\n\nThe Proven Locks S175 is aimed at boat owners, RV enthusiasts, and trailer users who want a visible, mechanically robust deterrent for 2-inch couplers. It suits people who need a compact, heavy-duty solution that resists common theft tools and environmental wear—ideal when combined with good storage practices and additional security measures like wheel locks or alarmed systems. Verify coupler compatibility before ordering to ensure a secure fit and effective protection.\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this lock fit every 2-inch coupler?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. It fits many standard 2-inch couplers but check your coupler dimensions and shape for compatibility before buying.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can the lock be cut with bolt cutters?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The S175 is built with a stainless pin and ductile-iron body to resist bolt cutters and common cutting tools, though no lock is completely indestructible.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Proven Industries","offers":[{"title":"Default Title","offer_id":55171077341527,"sku":"B07YN2MD6W","price":167.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/proven-locks-s175-front-view.jpg?v=1790437681","url":"https:\/\/britishgarage.co.uk\/products\/proven-industries-trailer-coupler-lock-2-inch-heavy-duty-anti-theft-hitch-lock-with-stainless-pin","provider":"British Garage","version":"1.0","type":"link"}