THE STARRETT MASTER PINK GRANITE SURFACE PLATE IS A PRECISION MEASUREMENT TOOL DESIGNED FOR QUALITY CONTROL TASKS, FEATURING A SIZE OF 24 INCHES BY 36 INCHES WITH AN 8-INCH THICKNESS. CONSTRUCTED FROM MASTER PINK GRANITE, THIS SURFACE PLATE OFFERS EXCEPTIONAL WEAR RESISTANCE, MAKING IT HIGHLY DURABLE FOR LONG-TERM USE. IT IS CLASSIFIED AS GRADE A, ALSO KNOWN AS INSPECTION GRADE, WHICH IS SUITABLE FOR GENERAL WORK IN QUALITY CONTROL ENVIRONMENTS. THE SURFACE PLATE MAINTAINS A FLATNESS TOLERANCE OF .000200 INCHES (0.0050MM), ENSURING HIGH PRECISION IN MEASUREMENT TASKS. IT IS PRODUCED WITHOUT LEDGES, PROVIDING A SMOOTH AND UNINTERRUPTED SURFACE FOR ACCURATE ASSESSMENTS.