Baker Ball Diammeter Checking Gauges has Following Features:Gauge measures the Ball diameter in a very simplest way.Inspector has to just put the Ball over the circular cup & the direct reading is shownBall Diameter is checked very fast. Less skill is required .Available in variety of sizes i.e. Range & LC.Baker Ball Diammeter Checking Gauge, Model no. BD09, Range: 24-26mm, Resolution:0.02mm, Dial Reading: 24-26, Units/Pkg: 1, Warranty: As per manufacturer's warranty policy.