{"product_id":"otc-1938-wheel-bearing-locknut-socket-8-point-4-1-2-in-opening","title":"OTC 1938 Wheel Bearing Locknut Socket - 8 Point, 4-1\/2 in Opening","description":"\u003cp\u003eIn this review the OTC 1938 wheel bearing locknut socket is examined for technicians and home mechanics who remove or install large wheel bearing locknuts. The bottom line: it is a straightforward, heavy-duty socket made to resist rounding under high torque and to fit large locknuts reliably when the correct measurement is used. Practical and built for manual 3\/4 in square-drive use, this socket shines where strength, depth and correct fit matter most, and the review focuses on durability and real-world fit for common wheel bearing jobs.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-strength steel:\u003c\/strong\u003e The socket is formed from material that resists rounding out under high torque, so it holds up to repeated use without deforming.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual 3\/4 in drive:\u003c\/strong\u003e Designed specifically for use with 3\/4 in square-drive manual tools, it delivers leverage without the risk of misuse with impact tools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8 point geometry:\u003c\/strong\u003e The 8 point opening grips locknuts securely and reduces slipping on worn flats for safer removal and installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-1\/2 in opening:\u003c\/strong\u003e The 4-1\/2 in flat-to-flat size covers a common range of large locknuts, making selection simple when measuring the nut.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5 in depth:\u003c\/strong\u003e The five-inch depth provides spindle clearance so the socket can seat fully on deep locknuts and avoid interference.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe OTC 1938 is aimed at professional mechanics, fleet technicians, and serious home mechanics who work on heavy-duty wheel bearings and need a robust, well-built socket that resists rounding under torque. It is particularly suitable for applications where a deep socket and a strong 8 point fit are required.\u003c\/p\u003e\u003cp\u003eDo not buy this if you need an impact-rated tool or if your workplace requires power-tool use, because the socket is explicitly intended for manual 3\/4 in square-drive tools and use with impact tools will void it. If you require a different opening size, verify the nut measurement flat to flat before purchasing.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDurable construction resists rounding and delivers long service life.\u003c\/li\u003e\n\u003cli\u003eDeep 5 in length provides needed spindle clearance for many large locknuts.\u003c\/li\u003e\n\u003cli\u003eAccurate 8 point fit offers secure engagement for installation and removal.\u003c\/li\u003e\n\u003cli\u003eGood value for a heavy-duty specialty socket compared with OEM alternatives.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNot suitable for use with impact tools; doing so voids the socket.\u003c\/li\u003e\n\u003cli\u003eSome customers report mixed impressions on size accuracy, so measuring the locknut flat to flat is essential.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1938\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eOTC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOpening size (flat to flat)\u003c\/td\u003e\n\u003ctd\u003e4-1\/2 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePoint count\u003c\/td\u003e\n\u003ctd\u003e8 point\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrive type\u003c\/td\u003e\n\u003ctd\u003e3\/4 in square-drive (manual tools only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eHigh-strength steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe OTC 1938 wheel bearing locknut socket is a practical, well-made tool for anyone who needs a deep, durable socket for large locknuts and who will use it with manual 3\/4 in drive tools. It offers solid value and dependable fit when the correct flat-to-flat measurement is used, though users must avoid impact-tool use and confirm size before purchase.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eIs this socket safe to use with impact wrenches?\u003c\/strong\u003e\u003cbr\u003eNo. It is designed for manual 3\/4 in square-drive tools only and using impact tools will void the socket.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I choose the right size?\u003c\/strong\u003e\u003cbr\u003eMeasure the locknut from flat to flat and select the 4-1\/2 in opening only if that measurement matches your nut.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill this clear the spindle on deep nuts?\u003c\/strong\u003e\u003cbr\u003eYes. The socket is 5 in deep to provide spindle clearance for most large locknut applications.\u003c\/p\u003e","brand":"OTC","offers":[{"title":"Default Title","offer_id":48727699816667,"sku":"B00063XQFW","price":47.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71ac0PwPxUL._AC_SL1200.jpg?v=1778892445","url":"https:\/\/gearmusthave.com\/products\/otc-1938-wheel-bearing-locknut-socket-8-point-4-1-2-in-opening","provider":"GearMustHave","version":"1.0","type":"link"}