{"product_id":"1-2in-drive-impact-hex-driver-set-20pc-sae-metric-durable-kit","title":"1\/2in Drive Impact Hex Driver Set 20pc SAE\/Metric - Durable Kit","description":"\u003cp\u003eOur review of the Sunex 2637 and 4507 impact hex driver sets finds them best suited for professional mechanics and serious DIYers who need a rugged, comprehensive hex socket range. The bottom line: these Cr-Mo steel drivers offer one-piece construction and dual size markings that stand up to frequent use with impact tools, and the included heavy duty blow molded case keeps everything organized. If you want impact-rated hex drivers that handle high torque and fit both SAE and metric fasteners, this combined set is a practical, long-lasting choice.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCr-Mo steel construction:\u003c\/strong\u003e Provides the strength and flexibility to resist cracking under high torque from impact tools and extend service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid one-piece construction:\u003c\/strong\u003e Eliminates weak joints for greater durability when used with impact wrenches and drivers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual size markings:\u003c\/strong\u003e Laser etched and roll stamped markings stay readable for fast identification of SAE and metric sizes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy duty storage case:\u003c\/strong\u003e Blow molded case secures 20 pieces for transport and keeps sockets organized on the job.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow profile design (4507):\u003c\/strong\u003e Allows access in tight spaces where a standard hex driver would be obstructed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis kit suits professional technicians and serious hobbyists who regularly use impact drivers or wrenches and need a full span of hex sizes. The combination of SAE and metric sockets covers common automotive and equipment work, and the durable case makes it convenient to carry between jobs.\u003c\/p\u003e\n\u003cp\u003eLess suitable are casual users who rarely use an impact tool or who only need a handful of sizes, since the full 20-piece master set is aimed at broad coverage rather than a minimalist kit. If portability in a small hand toolbox is the top priority, a smaller subset may be preferable.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRobust Cr-Mo alloy and one-piece construction that tolerate impact torque and frequent use.\u003c\/li\u003e\n\u003cli\u003eComprehensive SAE and metric range covers common automotive and maintenance sizes.\u003c\/li\u003e\n\u003cli\u003eClear permanent dual size markings make selection quick on the bench or in the field.\u003c\/li\u003e\n\u003cli\u003eQuality blow molded case keeps all 20 drivers organized and protected during transport.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSet is heavier and larger than minimalist kits, which may be overkill for occasional home users.\u003c\/li\u003e\n\u003cli\u003eHigher durability focus means a higher upfront cost compared with non-impact consumer sets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSunex Tools\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrive size\u003c\/td\u003e\n\u003ctd\u003e1\/2in drive (2637) and 3\/4in drive (4507)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePieces\u003c\/td\u003e\n\u003ctd\u003e20-piece SAE\/metric (2637) and 5-piece metric (4507)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eCr-Mo steel (chromium-molybdenum)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSAE sizes\u003c\/td\u003e\n\u003ctd\u003e1\/4in to 3\/4in (10 SAE sockets)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMetric sizes\u003c\/td\u003e\n\u003ctd\u003e6mm to 19mm (10 metric sockets) plus 14mm-24mm set in 4507\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase\u003c\/td\u003e\n\u003ctd\u003eHeavy duty blow molded storage case\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThese Sunex impact hex driver sets deliver dependable durability and practical coverage for automotive and heavy maintenance work. The Cr-Mo, one-piece construction and permanent markings make them a durable workshop staple, and the included case helps keep a technician organized. For anyone who frequently uses impact tools, the value comes from fewer broken sockets and quick size identification.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these sockets rated for use with impact wrenches?\u003c\/strong\u003e\u003cbr\u003eYes, both sets are made from Cr-Mo steel and built as one piece specifically to handle high torque impact tools.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo the sockets include both SAE and metric sizes?\u003c\/strong\u003e\u003cbr\u003eThe 20-piece master set includes 10 SAE and 10 metric sizes, while the 4507 set adds a 5-piece metric range for larger sizes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill the size markings wear off?\u003c\/strong\u003e\u003cbr\u003eNo, the dual size markings are laser etched and roll stamped for permanent identification under regular use.\u003c\/p\u003e","brand":"Sunex Tools","offers":[{"title":"Default Title","offer_id":48237169508571,"sku":"B0CF2J9Q3M","price":186.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/513tHRXtnhL._AC_SL1001.jpg?v=1770725160","url":"https:\/\/gearmusthave.com\/products\/1-2in-drive-impact-hex-driver-set-20pc-sae-metric-durable-kit","provider":"GearMustHave","version":"1.0","type":"link"}