{"product_id":"starrett-steel-combination-square-6in-blade-precision-layout-tool","title":"Starrett Steel Combination Square 6in Blade - Precision Layout Tool","description":"\u003cp\u003eOur review of the Starrett Steel Combination Square with a 6in blade finds it best suited for tradespeople and serious hobbyists who need a reliable, long-lasting layout tool. The single biggest reason to buy is its combination of a hardened steel, photo-engraved blade with a cast iron head that delivers consistent \u003cstrong\u003eaccuracy\u003c\/strong\u003e and squareness for scribing, tri-squaring, depth and height gauging, and miter checking on a daily basis.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4R Graduation:\u003c\/strong\u003e The blade's 4R graduation with 8ths, 16ths, quick-reading 32nds and 64ths enables precise fractional measuring for woodworking and metal layout tasks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Steel Blade:\u003c\/strong\u003e A hardened, photo-engraved blade resists wear and keeps markings legible over years of use, improving long-term readability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCast Iron Head:\u003c\/strong\u003e The precision ground 90 square face and 45 miter face in a cast iron head provide stable, repeatable squareness for setup and inspection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReversible Lock Bolt:\u003c\/strong\u003e The reversible lock bolt secures the blade firmly and makes adjustments easier when setting depth or marking from an edge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Scriber and Level:\u003c\/strong\u003e The package includes a scriber and a spirit level, adding utility for layout and leveling without needing extra tools.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe Starrett 6in combination square is aimed at machinists, carpenters, toolmakers, and dedicated DIYers who demand \u003cstrong\u003edurable\u003c\/strong\u003e measuring equipment that holds calibration and delivers crisp graduations. It works well as a shop reference tool for checking other squares and for precision layout tasks that require repeatable results.\u003c\/p\u003e\u003cp\u003eThose who primarily need quick, inexpensive squares for occasional household projects may find this model more tool than necessary and should consider simpler, lower-cost options. Also, users who require digital readouts or metric-only graduations should look elsewhere.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eExcellent build quality with a hardened steel blade and cast iron head for long service life.\u003c\/li\u003e\n\u003cli\u003eVery readable 4R graduations that support fine fractional measurement down to 64ths.\u003c\/li\u003e\n\u003cli\u003eSmooth sliding action and a reliable reversible lock bolt make adjustments straightforward.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigher cost relative to basic plastic or stamped squares, so value perceptions vary among buyers.\u003c\/li\u003e\n\u003cli\u003eThe tool is manual and analog, so it lacks digital readouts some users might prefer.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlade length\u003c\/td\u003e\n\u003ctd\u003e6in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGraduation type\u003c\/td\u003e\n\u003ctd\u003e4R (8ths, 16ths, 32nds, 64ths)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlade material\u003c\/td\u003e\n\u003ctd\u003eHardened steel, photo-engraved\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHead material\u003c\/td\u003e\n\u003ctd\u003eCast iron with black wrinkle finish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded accessories\u003c\/td\u003e\n\u003ctd\u003eReversible lock bolt, scriber, spirit level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSquare faces\u003c\/td\u003e\n\u003ctd\u003ePrecision ground 90 and 45 miter faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Starrett 6in combination square is a solid investment for professionals and serious hobbyists who need a dependable, accurate layout tool. Its hardened steel blade, clear 4R graduations, and cast iron head deliver long-term \u003cstrong\u003eprecision\u003c\/strong\u003e and durability, making it worth the price for regular use, though casual users may prefer a lower-cost alternative.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eDoes the package include a level and scriber?\u003c\/strong\u003e\u003cbr\u003eYes, this model includes a spirit level and a scriber along with the reversible lock bolt.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow fine are the graduations on the blade?\u003c\/strong\u003e\u003cbr\u003eThe blade uses a 4R graduation scale with readable marks in 8ths, 16ths, quick-reading 32nds and 64ths for fine fractional measurement.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the head accurate for squareness and mitering?\u003c\/strong\u003e\u003cbr\u003eYes, the cast iron head has precision ground 90 square and 45 miter faces designed for accurate right-angle and miter checks.\u003c\/p\u003e","brand":"Starrett","offers":[{"title":"Default Title","offer_id":48199668465883,"sku":"B000KUBIFG","price":141.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/5134qWLRoML._SL1200.jpg?v=1770363856","url":"https:\/\/gearmusthave.com\/products\/starrett-steel-combination-square-6in-blade-precision-layout-tool","provider":"GearMustHave","version":"1.0","type":"link"}